./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 03d7b7b3 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 820426658db97058309ccbf6c9080e1e23ba9878004c38e814dfcfedaf40875a --- Real Ultimate output --- This is Ultimate 0.2.2-dev-03d7b7b [2022-02-20 18:47:04,893 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-20 18:47:04,899 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-20 18:47:04,935 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-20 18:47:04,936 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-20 18:47:04,939 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-20 18:47:04,947 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-20 18:47:04,952 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-20 18:47:04,954 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-20 18:47:04,958 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-20 18:47:04,959 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-20 18:47:04,960 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-20 18:47:04,960 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-20 18:47:04,963 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-20 18:47:04,964 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-20 18:47:04,965 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-20 18:47:04,966 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-20 18:47:04,967 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-20 18:47:04,971 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-20 18:47:04,977 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-20 18:47:04,978 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-20 18:47:04,979 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-20 18:47:04,980 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-20 18:47:04,981 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-20 18:47:04,987 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-20 18:47:04,987 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-20 18:47:04,987 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-20 18:47:04,989 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-20 18:47:04,989 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-20 18:47:04,990 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-20 18:47:04,990 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-20 18:47:04,991 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-20 18:47:04,992 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-20 18:47:04,993 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-20 18:47:04,994 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-20 18:47:04,994 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-20 18:47:04,995 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-20 18:47:04,995 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-20 18:47:04,995 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-20 18:47:04,997 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-20 18:47:04,997 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-20 18:47:04,998 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-02-20 18:47:05,028 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-20 18:47:05,029 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-20 18:47:05,029 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-20 18:47:05,029 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-20 18:47:05,030 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-20 18:47:05,030 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-20 18:47:05,031 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-20 18:47:05,031 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-20 18:47:05,031 INFO L138 SettingsManager]: * Use SBE=true [2022-02-20 18:47:05,031 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-20 18:47:05,032 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-20 18:47:05,032 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-20 18:47:05,032 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-20 18:47:05,033 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-20 18:47:05,033 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-20 18:47:05,033 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-20 18:47:05,033 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-20 18:47:05,033 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-20 18:47:05,033 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-20 18:47:05,034 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-20 18:47:05,034 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-20 18:47:05,034 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-20 18:47:05,034 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-20 18:47:05,034 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-20 18:47:05,034 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 18:47:05,035 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-20 18:47:05,035 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-20 18:47:05,035 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-20 18:47:05,035 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-20 18:47:05,035 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-20 18:47:05,036 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-20 18:47:05,036 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-02-20 18:47:05,036 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-20 18:47:05,036 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 820426658db97058309ccbf6c9080e1e23ba9878004c38e814dfcfedaf40875a [2022-02-20 18:47:05,267 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-20 18:47:05,293 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-20 18:47:05,296 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-20 18:47:05,297 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-20 18:47:05,297 INFO L275 PluginConnector]: CDTParser initialized [2022-02-20 18:47:05,298 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2022-02-20 18:47:05,356 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/796a826ff/3b6ac03a036e452a903301bf549fd1b8/FLAG8e349b9d4 [2022-02-20 18:47:05,998 INFO L306 CDTParser]: Found 1 translation units. [2022-02-20 18:47:05,998 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2022-02-20 18:47:06,035 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/796a826ff/3b6ac03a036e452a903301bf549fd1b8/FLAG8e349b9d4 [2022-02-20 18:47:06,368 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/796a826ff/3b6ac03a036e452a903301bf549fd1b8 [2022-02-20 18:47:06,370 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-20 18:47:06,372 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-02-20 18:47:06,375 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-20 18:47:06,375 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-20 18:47:06,378 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-20 18:47:06,379 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 06:47:06" (1/1) ... [2022-02-20 18:47:06,380 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4aa2be6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:47:06, skipping insertion in model container [2022-02-20 18:47:06,381 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 06:47:06" (1/1) ... [2022-02-20 18:47:06,386 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-20 18:47:06,490 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-20 18:47:06,721 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[11898,11911] [2022-02-20 18:47:06,751 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[18616,18629] [2022-02-20 18:47:06,763 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[20814,20827] [2022-02-20 18:47:06,769 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[21891,21904] [2022-02-20 18:47:06,785 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[25244,25257] [2022-02-20 18:47:06,795 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[26324,26337] [2022-02-20 18:47:06,810 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[28553,28566] [2022-02-20 18:47:07,176 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 18:47:07,187 INFO L203 MainTranslator]: Completed pre-run [2022-02-20 18:47:07,241 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[11898,11911] [2022-02-20 18:47:07,254 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[18616,18629] [2022-02-20 18:47:07,261 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[20814,20827] [2022-02-20 18:47:07,265 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[21891,21904] [2022-02-20 18:47:07,275 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[25244,25257] [2022-02-20 18:47:07,278 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[26324,26337] [2022-02-20 18:47:07,284 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[28553,28566] [2022-02-20 18:47:07,516 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 18:47:07,543 INFO L208 MainTranslator]: Completed translation [2022-02-20 18:47:07,543 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:47:07 WrapperNode [2022-02-20 18:47:07,544 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-20 18:47:07,545 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-20 18:47:07,545 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-20 18:47:07,545 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-20 18:47:07,551 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:47:07" (1/1) ... [2022-02-20 18:47:07,597 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:47:07" (1/1) ... [2022-02-20 18:47:07,766 INFO L137 Inliner]: procedures = 24, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 6525 [2022-02-20 18:47:07,767 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-20 18:47:07,768 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-20 18:47:07,768 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-20 18:47:07,768 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-20 18:47:07,775 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:47:07" (1/1) ... [2022-02-20 18:47:07,776 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:47:07" (1/1) ... [2022-02-20 18:47:07,791 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:47:07" (1/1) ... [2022-02-20 18:47:07,791 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:47:07" (1/1) ... [2022-02-20 18:47:07,849 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:47:07" (1/1) ... [2022-02-20 18:47:07,877 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:47:07" (1/1) ... [2022-02-20 18:47:07,891 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:47:07" (1/1) ... [2022-02-20 18:47:07,911 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-20 18:47:07,912 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-20 18:47:07,912 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-20 18:47:07,912 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-20 18:47:07,913 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:47:07" (1/1) ... [2022-02-20 18:47:07,919 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 18:47:07,928 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 18:47:07,945 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-20 18:47:07,967 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-20 18:47:07,989 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-20 18:47:07,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-20 18:47:07,989 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-20 18:47:07,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-20 18:47:08,379 INFO L234 CfgBuilder]: Building ICFG [2022-02-20 18:47:08,380 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-20 18:47:11,407 INFO L275 CfgBuilder]: Performing block encoding [2022-02-20 18:47:11,430 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-20 18:47:11,430 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-20 18:47:11,433 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 06:47:11 BoogieIcfgContainer [2022-02-20 18:47:11,434 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-20 18:47:11,436 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-20 18:47:11,436 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-20 18:47:11,439 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-20 18:47:11,439 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.02 06:47:06" (1/3) ... [2022-02-20 18:47:11,440 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47670321 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 06:47:11, skipping insertion in model container [2022-02-20 18:47:11,440 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:47:07" (2/3) ... [2022-02-20 18:47:11,440 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47670321 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 06:47:11, skipping insertion in model container [2022-02-20 18:47:11,441 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 06:47:11" (3/3) ... [2022-02-20 18:47:11,442 INFO L111 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2022-02-20 18:47:11,446 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-20 18:47:11,446 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 7 error locations. [2022-02-20 18:47:11,488 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-20 18:47:11,493 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-02-20 18:47:11,493 INFO L340 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2022-02-20 18:47:11,529 INFO L276 IsEmpty]: Start isEmpty. Operand has 1102 states, 1094 states have (on average 1.8875685557586837) internal successors, (2065), 1101 states have internal predecessors, (2065), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 18:47:11,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-02-20 18:47:11,554 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 18:47:11,554 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 18:47:11,555 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2022-02-20 18:47:11,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 18:47:11,559 INFO L85 PathProgramCache]: Analyzing trace with hash -1027637325, now seen corresponding path program 1 times [2022-02-20 18:47:11,567 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 18:47:11,567 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1661907333] [2022-02-20 18:47:11,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 18:47:11,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 18:47:11,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:47:11,982 INFO L290 TraceCheckUtils]: 0: Hoare triple {1105#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(63, 2);call #Ultimate.allocInit(12, 3);~__return_main~0 := 0;~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~alive1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~alive2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~alive3~0 := 0;~p4~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~send4~0 := 0;~mode4~0 := 0;~alive4~0 := 0;~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[0 := #funAddr~node1.base], ~nodes~0.offset[0 := #funAddr~node1.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[1 := #funAddr~node2.base], ~nodes~0.offset[1 := #funAddr~node2.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[2 := #funAddr~node3.base], ~nodes~0.offset[2 := #funAddr~node3.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[3 := #funAddr~node4.base], ~nodes~0.offset[3 := #funAddr~node4.offset];~__return_19080~0 := 0;~__return_22830~0 := 0;~__return_19254~0 := 0;~__return_19337~0 := 0;~__return_19754~0 := 0;~__return_20306~0 := 0;~__return_20551~0 := 0;~__return_21733~0 := 0;~__return_21990~0 := 0;~__return_22543~0 := 0;~__return_22792~0 := 0;~__return_19596~0 := 0;~__return_19829~0 := 0;~__return_20393~0 := 0;~__return_20629~0 := 0;~__return_21832~0 := 0;~__return_22068~0 := 0;~__return_22633~0 := 0;~__return_22752~0 := 0;~__return_22911~0 := 0;~__return_22878~0 := 0;~__return_22581~0 := 0;~__return_22492~0 := 0;~__return_22703~0 := 0;~__return_22670~0 := 0;~__return_23135~0 := 0;~__return_23104~0 := 0;~__return_23198~0 := 0;~__return_23165~0 := 0;~__return_22990~0 := 0;~__return_22959~0 := 0;~__return_23053~0 := 0;~__return_23020~0 := 0;~__return_22028~0 := 0;~__return_21951~0 := 0;~__return_22138~0 := 0;~__return_22105~0 := 0;~__return_21769~0 := 0;~__return_21668~0 := 0;~__return_21902~0 := 0;~__return_21869~0 := 0;~__return_22362~0 := 0;~__return_22331~0 := 0;~__return_22425~0 := 0;~__return_22392~0 := 0;~__return_22217~0 := 0;~__return_22186~0 := 0;~__return_22280~0 := 0;~__return_22247~0 := 0;~__return_23438~0 := 0;~__return_23407~0 := 0;~__return_23501~0 := 0;~__return_23468~0 := 0;~__return_23295~0 := 0;~__return_23264~0 := 0;~__return_23358~0 := 0;~__return_23325~0 := 0;~__return_23725~0 := 0;~__return_23694~0 := 0;~__return_23788~0 := 0;~__return_23755~0 := 0;~__return_23580~0 := 0;~__return_23549~0 := 0;~__return_23643~0 := 0;~__return_23610~0 := 0;~__return_20589~0 := 0;~__return_20512~0 := 0;~__return_20699~0 := 0;~__return_20666~0 := 0;~__return_20342~0 := 0;~__return_20253~0 := 0;~__return_20463~0 := 0;~__return_20430~0 := 0;~__return_20923~0 := 0;~__return_20892~0 := 0;~__return_20986~0 := 0;~__return_20953~0 := 0;~__return_20778~0 := 0;~__return_20747~0 := 0;~__return_20841~0 := 0;~__return_20808~0 := 0;~__return_19790~0 := 0;~__return_19713~0 := 0;~__return_19899~0 := 0;~__return_19866~0 := 0;~__return_19519~0 := 0;~__return_19179~0 := 0;~__return_19664~0 := 0;~__return_19631~0 := 0;~__return_20123~0 := 0;~__return_20092~0 := 0;~__return_20186~0 := 0;~__return_20153~0 := 0;~__return_19978~0 := 0;~__return_19947~0 := 0;~__return_20041~0 := 0;~__return_20008~0 := 0;~__return_21226~0 := 0;~__return_21195~0 := 0;~__return_21289~0 := 0;~__return_21256~0 := 0;~__return_21083~0 := 0;~__return_21052~0 := 0;~__return_21146~0 := 0;~__return_21113~0 := 0;~__return_21513~0 := 0;~__return_21482~0 := 0;~__return_21576~0 := 0;~__return_21543~0 := 0;~__return_21368~0 := 0;~__return_21337~0 := 0;~__return_21431~0 := 0;~__return_21398~0 := 0;~__return_24644~0 := 0;~__return_24613~0 := 0;~__return_24707~0 := 0;~__return_24674~0 := 0;~__return_24501~0 := 0;~__return_24470~0 := 0;~__return_24564~0 := 0;~__return_24531~0 := 0;~__return_24931~0 := 0;~__return_24900~0 := 0;~__return_24994~0 := 0;~__return_24961~0 := 0;~__return_24786~0 := 0;~__return_24755~0 := 0;~__return_24849~0 := 0;~__return_24816~0 := 0;~__return_24053~0 := 0;~__return_24022~0 := 0;~__return_24116~0 := 0;~__return_24083~0 := 0;~__return_23910~0 := 0;~__return_23879~0 := 0;~__return_23973~0 := 0;~__return_23940~0 := 0;~__return_24340~0 := 0;~__return_24309~0 := 0;~__return_24403~0 := 0;~__return_24370~0 := 0;~__return_24195~0 := 0;~__return_24164~0 := 0;~__return_24258~0 := 0;~__return_24225~0 := 0;~__return_25234~0 := 0;~__return_25203~0 := 0;~__return_25297~0 := 0;~__return_25264~0 := 0;~__return_25091~0 := 0;~__return_25060~0 := 0;~__return_25154~0 := 0;~__return_25121~0 := 0;~__return_25521~0 := 0;~__return_25490~0 := 0;~__return_25584~0 := 0;~__return_25551~0 := 0;~__return_25376~0 := 0;~__return_25345~0 := 0;~__return_25439~0 := 0;~__return_25406~0 := 0; {1107#(<= (+ ~nomsg~0 1) 0)} is VALID [2022-02-20 18:47:11,983 INFO L290 TraceCheckUtils]: 1: Hoare triple {1107#(<= (+ ~nomsg~0 1) 0)} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_~__tmp_3~0#1, main_~assert__arg~2#1, main_~check__tmp~2#1, main_~node4____CPAchecker_TMP_0~1#1, main_~node4____CPAchecker_TMP_1~0#1, main_~node4__m4~2#1, main_~node3____CPAchecker_TMP_0~1#1, main_~node3____CPAchecker_TMP_1~0#1, main_~node3__m3~2#1, main_~node2____CPAchecker_TMP_0~1#1, main_~node2____CPAchecker_TMP_1~0#1, main_~node2__m2~2#1, main_~node1____CPAchecker_TMP_0~1#1, main_~node1____CPAchecker_TMP_1~0#1, main_~node1__m1~2#1, main_~__tmp_2~0#1, main_~assert__arg~1#1, main_~check__tmp~1#1, main_~__tmp_4~0#1, main_~assert__arg~3#1, main_~check__tmp~3#1, main_~node4__m4~1#1, main_~__tmp_5~0#1, main_~assert__arg~4#1, main_~check__tmp~4#1, main_~__tmp_6~0#1, main_~assert__arg~5#1, main_~check__tmp~5#1, main_~node4__m4~3#1, main_~node3__m3~1#1, main_~__tmp_7~0#1, main_~assert__arg~6#1, main_~check__tmp~6#1, main_~__tmp_8~0#1, main_~assert__arg~7#1, main_~check__tmp~7#1, main_~node4__m4~4#1, main_~__tmp_9~0#1, main_~assert__arg~8#1, main_~check__tmp~8#1, main_~check__tmp~9#1, main_~node4__m4~5#1, main_~node3__m3~3#1, main_~node2__m2~1#1, main_~__tmp_10~0#1, main_~assert__arg~9#1, main_~check__tmp~10#1, main_~__tmp_11~0#1, main_~assert__arg~10#1, main_~check__tmp~11#1, main_~node4__m4~6#1, main_~__tmp_12~0#1, main_~assert__arg~11#1, main_~check__tmp~12#1, main_~check__tmp~13#1, main_~node4__m4~7#1, main_~node3__m3~4#1, main_~__tmp_13~0#1, main_~assert__arg~12#1, main_~check__tmp~14#1, main_~check__tmp~15#1, main_~node4__m4~8#1, main_~check__tmp~16#1, main_~node4__m4~9#1, main_~node3__m3~5#1, main_~node2__m2~3#1, main_~node1__m1~1#1, main_~__tmp_1~0#1, main_~assert__arg~0#1, main_~check__tmp~0#1, main_~__tmp_14~0#1, main_~assert__arg~13#1, main_~check__tmp~17#1, main_~node4____CPAchecker_TMP_0~0#1, main_~__tmp_15~0#1, main_~assert__arg~14#1, main_~check__tmp~18#1, main_~node4____CPAchecker_TMP_1~1#1, main_~__tmp_16~0#1, main_~assert__arg~15#1, main_~check__tmp~19#1, main_~node4__m4~0#1, main_~__tmp_17~0#1, main_~assert__arg~16#1, main_~check__tmp~20#1, main_~__tmp_18~0#1, main_~assert__arg~17#1, main_~check__tmp~21#1, main_~node4____CPAchecker_TMP_0~2#1, main_~__tmp_19~0#1, main_~assert__arg~18#1, main_~check__tmp~22#1, main_~node4____CPAchecker_TMP_1~2#1, main_~__tmp_20~0#1, main_~assert__arg~19#1, main_~check__tmp~23#1, main_~node4__m4~10#1, main_~node3____CPAchecker_TMP_0~0#1, main_~__tmp_21~0#1, main_~assert__arg~20#1, main_~check__tmp~24#1, main_~__tmp_22~0#1, main_~assert__arg~21#1, main_~check__tmp~25#1, main_~node4____CPAchecker_TMP_0~3#1, main_~__tmp_23~0#1, main_~assert__arg~22#1, main_~check__tmp~26#1, main_~node4____CPAchecker_TMP_1~3#1, main_~__tmp_24~0#1, main_~assert__arg~23#1, main_~check__tmp~27#1, main_~node4__m4~11#1, main_~node3____CPAchecker_TMP_1~1#1, main_~__tmp_25~0#1, main_~assert__arg~24#1, main_~check__tmp~28#1, main_~__tmp_26~0#1, main_~assert__arg~25#1, main_~check__tmp~29#1, main_~node4____CPAchecker_TMP_0~4#1, main_~__tmp_27~0#1, main_~assert__arg~26#1, main_~check__tmp~30#1, main_~node4____CPAchecker_TMP_1~4#1, main_~__tmp_28~0#1, main_~assert__arg~27#1, main_~check__tmp~31#1, main_~node4__m4~12#1, main_~node3__m3~0#1, main_~__tmp_29~0#1, main_~assert__arg~28#1, main_~check__tmp~32#1, main_~__tmp_30~0#1, main_~assert__arg~29#1, main_~check__tmp~33#1, main_~node4____CPAchecker_TMP_0~5#1, main_~__tmp_31~0#1, main_~assert__arg~30#1, main_~check__tmp~34#1, main_~node4____CPAchecker_TMP_1~5#1, main_~__tmp_32~0#1, main_~assert__arg~31#1, main_~check__tmp~35#1, main_~node4__m4~13#1, main_~__tmp_33~0#1, main_~assert__arg~32#1, main_~check__tmp~36#1, main_~__tmp_34~0#1, main_~assert__arg~33#1, main_~check__tmp~37#1, main_~node4____CPAchecker_TMP_0~6#1, main_~__tmp_35~0#1, main_~assert__arg~34#1, main_~check__tmp~38#1, main_~node4____CPAchecker_TMP_1~6#1, main_~__tmp_36~0#1, main_~assert__arg~35#1, main_~check__tmp~39#1, main_~node4__m4~14#1, main_~node3____CPAchecker_TMP_0~2#1, main_~__tmp_37~0#1, main_~assert__arg~36#1, main_~check__tmp~40#1, main_~__tmp_38~0#1, main_~assert__arg~37#1, main_~check__tmp~41#1, main_~node4____CPAchecker_TMP_0~7#1, main_~__tmp_39~0#1, main_~assert__arg~38#1, main_~check__tmp~42#1, main_~node4____CPAchecker_TMP_1~7#1, main_~__tmp_40~0#1, main_~assert__arg~39#1, main_~check__tmp~43#1, main_~node4__m4~15#1, main_~node3____CPAchecker_TMP_1~2#1, main_~__tmp_41~0#1, main_~assert__arg~40#1, main_~check__tmp~44#1, main_~__tmp_42~0#1, main_~assert__arg~41#1, main_~check__tmp~45#1, main_~node4____CPAchecker_TMP_0~8#1, main_~__tmp_43~0#1, main_~assert__arg~42#1, main_~check__tmp~46#1, main_~node4____CPAchecker_TMP_1~8#1, main_~__tmp_44~0#1, main_~assert__arg~43#1, main_~check__tmp~47#1, main_~node4__m4~16#1, main_~node3__m3~6#1, main_~node2____CPAchecker_TMP_0~0#1, main_~__tmp_45~0#1, main_~assert__arg~44#1, main_~check__tmp~48#1, main_~__tmp_46~0#1, main_~assert__arg~45#1, main_~check__tmp~49#1, main_~node4____CPAchecker_TMP_0~9#1, main_~__tmp_47~0#1, main_~assert__arg~46#1, main_~check__tmp~50#1, main_~node4____CPAchecker_TMP_1~9#1, main_~__tmp_48~0#1, main_~assert__arg~47#1, main_~check__tmp~51#1, main_~node4__m4~17#1, main_~__tmp_49~0#1, main_~assert__arg~48#1, main_~check__tmp~52#1, main_~__tmp_50~0#1, main_~assert__arg~49#1, main_~check__tmp~53#1, main_~node4____CPAchecker_TMP_0~10#1, main_~__tmp_51~0#1, main_~assert__arg~50#1, main_~check__tmp~54#1, main_~node4____CPAchecker_TMP_1~10#1, main_~__tmp_52~0#1, main_~assert__arg~51#1, main_~check__tmp~55#1, main_~node4__m4~18#1, main_~node3____CPAchecker_TMP_0~3#1, main_~__tmp_53~0#1, main_~assert__arg~52#1, main_~check__tmp~56#1, main_~__tmp_54~0#1, main_~assert__arg~53#1, main_~check__tmp~57#1, main_~node4____CPAchecker_TMP_0~11#1, main_~__tmp_55~0#1, main_~assert__arg~54#1, main_~check__tmp~58#1, main_~node4____CPAchecker_TMP_1~11#1, main_~__tmp_56~0#1, main_~assert__arg~55#1, main_~check__tmp~59#1, main_~node4__m4~19#1, main_~node3____CPAchecker_TMP_1~3#1, main_~__tmp_57~0#1, main_~assert__arg~56#1, main_~check__tmp~60#1, main_~__tmp_58~0#1, main_~assert__arg~57#1, main_~check__tmp~61#1, main_~node4____CPAchecker_TMP_0~12#1, main_~__tmp_59~0#1, main_~assert__arg~58#1, main_~check__tmp~62#1, main_~node4____CPAchecker_TMP_1~12#1, main_~__tmp_60~0#1, main_~assert__arg~59#1, main_~check__tmp~63#1, main_~node4__m4~20#1, main_~node3__m3~7#1, main_~node2____CPAchecker_TMP_1~1#1, main_~node2__m2~0#1, main_~__tmp_61~0#1, main_~assert__arg~60#1, main_~check__tmp~64#1, main_~__tmp_62~0#1, main_~assert__arg~61#1, main_~check__tmp~65#1, main_~node4____CPAchecker_TMP_0~13#1, main_~__tmp_63~0#1, main_~assert__arg~62#1, main_~check__tmp~66#1, main_~node4____CPAchecker_TMP_1~13#1, main_~__tmp_64~0#1, main_~assert__arg~63#1, main_~check__tmp~67#1, main_~node4__m4~21#1, main_~__tmp_65~0#1, main_~assert__arg~64#1, main_~check__tmp~68#1, main_~__tmp_66~0#1, main_~assert__arg~65#1, main_~check__tmp~69#1, main_~node4____CPAchecker_TMP_0~14#1, main_~__tmp_67~0#1, main_~assert__arg~66#1, main_~check__tmp~70#1, main_~node4____CPAchecker_TMP_1~14#1, main_~__tmp_68~0#1, main_~assert__arg~67#1, main_~check__tmp~71#1, main_~node4__m4~22#1, main_~node3____CPAchecker_TMP_0~4#1, main_~__tmp_69~0#1, main_~assert__arg~68#1, main_~check__tmp~72#1, main_~__tmp_70~0#1, main_~assert__arg~69#1, main_~check__tmp~73#1, main_~node4____CPAchecker_TMP_0~15#1, main_~__tmp_71~0#1, main_~assert__arg~70#1, main_~check__tmp~74#1, main_~node4____CPAchecker_TMP_1~15#1, main_~__tmp_72~0#1, main_~assert__arg~71#1, main_~check__tmp~75#1, main_~node4__m4~23#1, main_~node3____CPAchecker_TMP_1~4#1, main_~__tmp_73~0#1, main_~assert__arg~72#1, main_~check__tmp~76#1, main_~__tmp_74~0#1, main_~assert__arg~73#1, main_~check__tmp~77#1, main_~node4____CPAchecker_TMP_0~16#1, main_~__tmp_75~0#1, main_~assert__arg~74#1, main_~check__tmp~78#1, main_~node4____CPAchecker_TMP_1~16#1, main_~__tmp_76~0#1, main_~assert__arg~75#1, main_~check__tmp~79#1, main_~node4__m4~24#1, main_~node3__m3~8#1, main_~__tmp_77~0#1, main_~assert__arg~76#1, main_~check__tmp~80#1, main_~__tmp_78~0#1, main_~assert__arg~77#1, main_~check__tmp~81#1, main_~node4____CPAchecker_TMP_0~17#1, main_~__tmp_79~0#1, main_~assert__arg~78#1, main_~check__tmp~82#1, main_~node4____CPAchecker_TMP_1~17#1, main_~__tmp_80~0#1, main_~assert__arg~79#1, main_~check__tmp~83#1, main_~node4__m4~25#1, main_~__tmp_81~0#1, main_~assert__arg~80#1, main_~check__tmp~84#1, main_~__tmp_82~0#1, main_~assert__arg~81#1, main_~check__tmp~85#1, main_~node4____CPAchecker_TMP_0~18#1, main_~__tmp_83~0#1, main_~assert__arg~82#1, main_~check__tmp~86#1, main_~node4____CPAchecker_TMP_1~18#1, main_~__tmp_84~0#1, main_~assert__arg~83#1, main_~check__tmp~87#1, main_~node4__m4~26#1, main_~node3____CPAchecker_TMP_0~5#1, main_~__tmp_85~0#1, main_~assert__arg~84#1, main_~check__tmp~88#1, main_~__tmp_86~0#1, main_~assert__arg~85#1, main_~check__tmp~89#1, main_~node4____CPAchecker_TMP_0~19#1, main_~__tmp_87~0#1, main_~assert__arg~86#1, main_~check__tmp~90#1, main_~node4____CPAchecker_TMP_1~19#1, main_~__tmp_88~0#1, main_~assert__arg~87#1, main_~check__tmp~91#1, main_~node4__m4~27#1, main_~node3____CPAchecker_TMP_1~5#1, main_~__tmp_89~0#1, main_~assert__arg~88#1, main_~check__tmp~92#1, main_~__tmp_90~0#1, main_~assert__arg~89#1, main_~check__tmp~93#1, main_~node4____CPAchecker_TMP_0~20#1, main_~__tmp_91~0#1, main_~assert__arg~90#1, main_~check__tmp~94#1, main_~node4____CPAchecker_TMP_1~20#1, main_~__tmp_92~0#1, main_~assert__arg~91#1, main_~check__tmp~95#1, main_~node4__m4~28#1, main_~node3__m3~9#1, main_~node2____CPAchecker_TMP_0~2#1, main_~__tmp_93~0#1, main_~assert__arg~92#1, main_~check__tmp~96#1, main_~__tmp_94~0#1, main_~assert__arg~93#1, main_~check__tmp~97#1, main_~node4____CPAchecker_TMP_0~21#1, main_~__tmp_95~0#1, main_~assert__arg~94#1, main_~check__tmp~98#1, main_~node4____CPAchecker_TMP_1~21#1, main_~__tmp_96~0#1, main_~assert__arg~95#1, main_~check__tmp~99#1, main_~node4__m4~29#1, main_~__tmp_97~0#1, main_~assert__arg~96#1, main_~check__tmp~100#1, main_~__tmp_98~0#1, main_~assert__arg~97#1, main_~check__tmp~101#1, main_~node4____CPAchecker_TMP_0~22#1, main_~__tmp_99~0#1, main_~assert__arg~98#1, main_~check__tmp~102#1, main_~node4____CPAchecker_TMP_1~22#1, main_~__tmp_100~0#1, main_~assert__arg~99#1, main_~check__tmp~103#1, main_~node4__m4~30#1, main_~node3____CPAchecker_TMP_0~6#1, main_~__tmp_101~0#1, main_~assert__arg~100#1, main_~check__tmp~104#1, main_~__tmp_102~0#1, main_~assert__arg~101#1, main_~check__tmp~105#1, main_~node4____CPAchecker_TMP_0~23#1, main_~__tmp_103~0#1, main_~assert__arg~102#1, main_~check__tmp~106#1, main_~node4____CPAchecker_TMP_1~23#1, main_~__tmp_104~0#1, main_~assert__arg~103#1, main_~check__tmp~107#1, main_~node4__m4~31#1, main_~node3____CPAchecker_TMP_1~6#1, main_~__tmp_105~0#1, main_~assert__arg~104#1, main_~check__tmp~108#1, main_~__tmp_106~0#1, main_~assert__arg~105#1, main_~check__tmp~109#1, main_~node4____CPAchecker_TMP_0~24#1, main_~__tmp_107~0#1, main_~assert__arg~106#1, main_~check__tmp~110#1, main_~node4____CPAchecker_TMP_1~24#1, main_~__tmp_108~0#1, main_~assert__arg~107#1, main_~check__tmp~111#1, main_~node4__m4~32#1, main_~node3__m3~10#1, main_~node2____CPAchecker_TMP_1~2#1, main_~node2__m2~4#1, main_~node1____CPAchecker_TMP_0~0#1, main_~__tmp_109~0#1, main_~assert__arg~108#1, main_~check__tmp~112#1, main_~__tmp_110~0#1, main_~assert__arg~109#1, main_~check__tmp~113#1, main_~node4____CPAchecker_TMP_0~25#1, main_~__tmp_111~0#1, main_~assert__arg~110#1, main_~check__tmp~114#1, main_~node4____CPAchecker_TMP_1~25#1, main_~__tmp_112~0#1, main_~assert__arg~111#1, main_~check__tmp~115#1, main_~node4__m4~33#1, main_~__tmp_113~0#1, main_~assert__arg~112#1, main_~check__tmp~116#1, main_~__tmp_114~0#1, main_~assert__arg~113#1, main_~check__tmp~117#1, main_~node4____CPAchecker_TMP_0~26#1, main_~__tmp_115~0#1, main_~assert__arg~114#1, main_~check__tmp~118#1, main_~node4____CPAchecker_TMP_1~26#1, main_~__tmp_116~0#1, main_~assert__arg~115#1, main_~check__tmp~119#1, main_~node4__m4~34#1, main_~node3____CPAchecker_TMP_0~7#1, main_~__tmp_117~0#1, main_~assert__arg~116#1, main_~check__tmp~120#1, main_~__tmp_118~0#1, main_~assert__arg~117#1, main_~check__tmp~121#1, main_~node4____CPAchecker_TMP_0~27#1, main_~__tmp_119~0#1, main_~assert__arg~118#1, main_~check__tmp~122#1, main_~node4____CPAchecker_TMP_1~27#1, main_~__tmp_120~0#1, main_~assert__arg~119#1, main_~check__tmp~123#1, main_~node4__m4~35#1, main_~node3____CPAchecker_TMP_1~7#1, main_~__tmp_121~0#1, main_~assert__arg~120#1, main_~check__tmp~124#1, main_~__tmp_122~0#1, main_~assert__arg~121#1, main_~check__tmp~125#1, main_~node4____CPAchecker_TMP_0~28#1, main_~__tmp_123~0#1, main_~assert__arg~122#1, main_~check__tmp~126#1, main_~node4____CPAchecker_TMP_1~28#1, main_~__tmp_124~0#1, main_~assert__arg~123#1, main_~check__tmp~127#1, main_~node4__m4~36#1, main_~node3__m3~11#1, main_~__tmp_125~0#1, main_~assert__arg~124#1, main_~check__tmp~128#1, main_~__tmp_126~0#1, main_~assert__arg~125#1, main_~check__tmp~129#1, main_~node4____CPAchecker_TMP_0~29#1, main_~__tmp_127~0#1, main_~assert__arg~126#1, main_~check__tmp~130#1, main_~node4____CPAchecker_TMP_1~29#1, main_~__tmp_128~0#1, main_~assert__arg~127#1, main_~check__tmp~131#1, main_~node4__m4~37#1, main_~__tmp_129~0#1, main_~assert__arg~128#1, main_~check__tmp~132#1, main_~__tmp_130~0#1, main_~assert__arg~129#1, main_~check__tmp~133#1, main_~node4____CPAchecker_TMP_0~30#1, main_~__tmp_131~0#1, main_~assert__arg~130#1, main_~check__tmp~134#1, main_~node4____CPAchecker_TMP_1~30#1, main_~__tmp_132~0#1, main_~assert__arg~131#1, main_~check__tmp~135#1, main_~node4__m4~38#1, main_~node3____CPAchecker_TMP_0~8#1, main_~__tmp_133~0#1, main_~assert__arg~132#1, main_~check__tmp~136#1, main_~__tmp_134~0#1, main_~assert__arg~133#1, main_~check__tmp~137#1, main_~node4____CPAchecker_TMP_0~31#1, main_~__tmp_135~0#1, main_~assert__arg~134#1, main_~check__tmp~138#1, main_~node4____CPAchecker_TMP_1~31#1, main_~__tmp_136~0#1, main_~assert__arg~135#1, main_~check__tmp~139#1, main_~node4__m4~39#1, main_~node3____CPAchecker_TMP_1~8#1, main_~__tmp_137~0#1, main_~assert__arg~136#1, main_~check__tmp~140#1, main_~__tmp_138~0#1, main_~assert__arg~137#1, main_~check__tmp~141#1, main_~node4____CPAchecker_TMP_0~32#1, main_~__tmp_139~0#1, main_~assert__arg~138#1, main_~check__tmp~142#1, main_~node4____CPAchecker_TMP_1~32#1, main_~__tmp_140~0#1, main_~assert__arg~139#1, main_~check__tmp~143#1, main_~node4__m4~40#1, main_~node3__m3~12#1, main_~node2____CPAchecker_TMP_0~3#1, main_~__tmp_141~0#1, main_~assert__arg~140#1, main_~check__tmp~144#1, main_~__tmp_142~0#1, main_~assert__arg~141#1, main_~check__tmp~145#1, main_~node4____CPAchecker_TMP_0~33#1, main_~__tmp_143~0#1, main_~assert__arg~142#1, main_~check__tmp~146#1, main_~node4____CPAchecker_TMP_1~33#1, main_~__tmp_144~0#1, main_~assert__arg~143#1, main_~check__tmp~147#1, main_~node4__m4~41#1, main_~__tmp_145~0#1, main_~assert__arg~144#1, main_~check__tmp~148#1, main_~__tmp_146~0#1, main_~assert__arg~145#1, main_~check__tmp~149#1, main_~node4____CPAchecker_TMP_0~34#1, main_~__tmp_147~0#1, main_~assert__arg~146#1, main_~check__tmp~150#1, main_~node4____CPAchecker_TMP_1~34#1, main_~__tmp_148~0#1, main_~assert__arg~147#1, main_~check__tmp~151#1, main_~node4__m4~42#1, main_~node3____CPAchecker_TMP_0~9#1, main_~__tmp_149~0#1, main_~assert__arg~148#1, main_~check__tmp~152#1, main_~__tmp_150~0#1, main_~assert__arg~149#1, main_~check__tmp~153#1, main_~node4____CPAchecker_TMP_0~35#1, main_~__tmp_151~0#1, main_~assert__arg~150#1, main_~check__tmp~154#1, main_~node4____CPAchecker_TMP_1~35#1, main_~__tmp_152~0#1, main_~assert__arg~151#1, main_~check__tmp~155#1, main_~node4__m4~43#1, main_~node3____CPAchecker_TMP_1~9#1, main_~__tmp_153~0#1, main_~assert__arg~152#1, main_~check__tmp~156#1, main_~__tmp_154~0#1, main_~assert__arg~153#1, main_~check__tmp~157#1, main_~node4____CPAchecker_TMP_0~36#1, main_~__tmp_155~0#1, main_~assert__arg~154#1, main_~check__tmp~158#1, main_~node4____CPAchecker_TMP_1~36#1, main_~__tmp_156~0#1, main_~assert__arg~155#1, main_~check__tmp~159#1, main_~node4__m4~44#1, main_~node3__m3~13#1, main_~node2____CPAchecker_TMP_1~3#1, main_~node2__m2~5#1, main_~node1____CPAchecker_TMP_1~1#1, main_~node1__m1~0#1, main_~init__tmp~0#1, main_~main__c1~0#1, main_~main__i2~0#1;havoc main_~main__c1~0#1;havoc main_~main__i2~0#1;main_~main__c1~0#1 := 0;~r1~0 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -128 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 127;~id1~0 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -128 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 127;~st1~0 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -128 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 127;~send1~0 := main_#t~nondet7#1;havoc main_#t~nondet7#1;~mode1~0 := main_#t~nondet8#1;havoc main_#t~nondet8#1;~alive1~0 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -128 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 127;~id2~0 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -128 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 127;~st2~0 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -128 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 127;~send2~0 := main_#t~nondet12#1;havoc main_#t~nondet12#1;~mode2~0 := main_#t~nondet13#1;havoc main_#t~nondet13#1;~alive2~0 := main_#t~nondet14#1;havoc main_#t~nondet14#1;assume -128 <= main_#t~nondet15#1 && main_#t~nondet15#1 <= 127;~id3~0 := main_#t~nondet15#1;havoc main_#t~nondet15#1;assume -128 <= main_#t~nondet16#1 && main_#t~nondet16#1 <= 127;~st3~0 := main_#t~nondet16#1;havoc main_#t~nondet16#1;assume -128 <= main_#t~nondet17#1 && main_#t~nondet17#1 <= 127;~send3~0 := main_#t~nondet17#1;havoc main_#t~nondet17#1;~mode3~0 := main_#t~nondet18#1;havoc main_#t~nondet18#1;~alive3~0 := main_#t~nondet19#1;havoc main_#t~nondet19#1;assume -128 <= main_#t~nondet20#1 && main_#t~nondet20#1 <= 127;~id4~0 := main_#t~nondet20#1;havoc main_#t~nondet20#1;assume -128 <= main_#t~nondet21#1 && main_#t~nondet21#1 <= 127;~st4~0 := main_#t~nondet21#1;havoc main_#t~nondet21#1;assume -128 <= main_#t~nondet22#1 && main_#t~nondet22#1 <= 127;~send4~0 := main_#t~nondet22#1;havoc main_#t~nondet22#1;~mode4~0 := main_#t~nondet23#1;havoc main_#t~nondet23#1;~alive4~0 := main_#t~nondet24#1;havoc main_#t~nondet24#1;havoc main_~init__tmp~0#1; {1107#(<= (+ ~nomsg~0 1) 0)} is VALID [2022-02-20 18:47:11,984 INFO L290 TraceCheckUtils]: 2: Hoare triple {1107#(<= (+ ~nomsg~0 1) 0)} assume 0 == ~r1~0 % 256; {1107#(<= (+ ~nomsg~0 1) 0)} is VALID [2022-02-20 18:47:11,984 INFO L290 TraceCheckUtils]: 3: Hoare triple {1107#(<= (+ ~nomsg~0 1) 0)} assume ~alive1~0 % 256 + ~alive2~0 % 256 + ~alive3~0 % 256 + ~alive4~0 % 256 >= 1; {1107#(<= (+ ~nomsg~0 1) 0)} is VALID [2022-02-20 18:47:11,985 INFO L290 TraceCheckUtils]: 4: Hoare triple {1107#(<= (+ ~nomsg~0 1) 0)} assume ~id1~0 >= 0; {1108#(<= (+ ~nomsg~0 1) ~id1~0)} is VALID [2022-02-20 18:47:11,986 INFO L290 TraceCheckUtils]: 5: Hoare triple {1108#(<= (+ ~nomsg~0 1) ~id1~0)} assume 0 == ~st1~0; {1108#(<= (+ ~nomsg~0 1) ~id1~0)} is VALID [2022-02-20 18:47:11,986 INFO L290 TraceCheckUtils]: 6: Hoare triple {1108#(<= (+ ~nomsg~0 1) ~id1~0)} assume ~send1~0 == ~id1~0; {1109#(<= (+ ~nomsg~0 1) ~send1~0)} is VALID [2022-02-20 18:47:11,987 INFO L290 TraceCheckUtils]: 7: Hoare triple {1109#(<= (+ ~nomsg~0 1) ~send1~0)} assume 0 == ~mode1~0 % 256; {1109#(<= (+ ~nomsg~0 1) ~send1~0)} is VALID [2022-02-20 18:47:11,987 INFO L290 TraceCheckUtils]: 8: Hoare triple {1109#(<= (+ ~nomsg~0 1) ~send1~0)} assume ~id2~0 >= 0; {1109#(<= (+ ~nomsg~0 1) ~send1~0)} is VALID [2022-02-20 18:47:11,988 INFO L290 TraceCheckUtils]: 9: Hoare triple {1109#(<= (+ ~nomsg~0 1) ~send1~0)} assume 0 == ~st2~0; {1109#(<= (+ ~nomsg~0 1) ~send1~0)} is VALID [2022-02-20 18:47:11,988 INFO L290 TraceCheckUtils]: 10: Hoare triple {1109#(<= (+ ~nomsg~0 1) ~send1~0)} assume ~send2~0 == ~id2~0; {1109#(<= (+ ~nomsg~0 1) ~send1~0)} is VALID [2022-02-20 18:47:11,989 INFO L290 TraceCheckUtils]: 11: Hoare triple {1109#(<= (+ ~nomsg~0 1) ~send1~0)} assume 0 == ~mode2~0 % 256; {1109#(<= (+ ~nomsg~0 1) ~send1~0)} is VALID [2022-02-20 18:47:11,989 INFO L290 TraceCheckUtils]: 12: Hoare triple {1109#(<= (+ ~nomsg~0 1) ~send1~0)} assume ~id3~0 >= 0; {1109#(<= (+ ~nomsg~0 1) ~send1~0)} is VALID [2022-02-20 18:47:11,989 INFO L290 TraceCheckUtils]: 13: Hoare triple {1109#(<= (+ ~nomsg~0 1) ~send1~0)} assume 0 == ~st3~0; {1109#(<= (+ ~nomsg~0 1) ~send1~0)} is VALID [2022-02-20 18:47:11,990 INFO L290 TraceCheckUtils]: 14: Hoare triple {1109#(<= (+ ~nomsg~0 1) ~send1~0)} assume ~send3~0 == ~id3~0; {1109#(<= (+ ~nomsg~0 1) ~send1~0)} is VALID [2022-02-20 18:47:11,990 INFO L290 TraceCheckUtils]: 15: Hoare triple {1109#(<= (+ ~nomsg~0 1) ~send1~0)} assume 0 == ~mode3~0 % 256; {1109#(<= (+ ~nomsg~0 1) ~send1~0)} is VALID [2022-02-20 18:47:11,991 INFO L290 TraceCheckUtils]: 16: Hoare triple {1109#(<= (+ ~nomsg~0 1) ~send1~0)} assume ~id4~0 >= 0; {1109#(<= (+ ~nomsg~0 1) ~send1~0)} is VALID [2022-02-20 18:47:11,991 INFO L290 TraceCheckUtils]: 17: Hoare triple {1109#(<= (+ ~nomsg~0 1) ~send1~0)} assume 0 == ~st4~0; {1109#(<= (+ ~nomsg~0 1) ~send1~0)} is VALID [2022-02-20 18:47:11,992 INFO L290 TraceCheckUtils]: 18: Hoare triple {1109#(<= (+ ~nomsg~0 1) ~send1~0)} assume ~send4~0 == ~id4~0; {1109#(<= (+ ~nomsg~0 1) ~send1~0)} is VALID [2022-02-20 18:47:11,992 INFO L290 TraceCheckUtils]: 19: Hoare triple {1109#(<= (+ ~nomsg~0 1) ~send1~0)} assume 0 == ~mode4~0 % 256; {1109#(<= (+ ~nomsg~0 1) ~send1~0)} is VALID [2022-02-20 18:47:11,993 INFO L290 TraceCheckUtils]: 20: Hoare triple {1109#(<= (+ ~nomsg~0 1) ~send1~0)} assume ~id1~0 != ~id2~0; {1109#(<= (+ ~nomsg~0 1) ~send1~0)} is VALID [2022-02-20 18:47:11,993 INFO L290 TraceCheckUtils]: 21: Hoare triple {1109#(<= (+ ~nomsg~0 1) ~send1~0)} assume ~id1~0 != ~id3~0; {1109#(<= (+ ~nomsg~0 1) ~send1~0)} is VALID [2022-02-20 18:47:11,994 INFO L290 TraceCheckUtils]: 22: Hoare triple {1109#(<= (+ ~nomsg~0 1) ~send1~0)} assume ~id1~0 != ~id4~0; {1109#(<= (+ ~nomsg~0 1) ~send1~0)} is VALID [2022-02-20 18:47:11,994 INFO L290 TraceCheckUtils]: 23: Hoare triple {1109#(<= (+ ~nomsg~0 1) ~send1~0)} assume ~id2~0 != ~id3~0; {1109#(<= (+ ~nomsg~0 1) ~send1~0)} is VALID [2022-02-20 18:47:11,995 INFO L290 TraceCheckUtils]: 24: Hoare triple {1109#(<= (+ ~nomsg~0 1) ~send1~0)} assume ~id2~0 != ~id4~0; {1109#(<= (+ ~nomsg~0 1) ~send1~0)} is VALID [2022-02-20 18:47:11,995 INFO L290 TraceCheckUtils]: 25: Hoare triple {1109#(<= (+ ~nomsg~0 1) ~send1~0)} assume ~id3~0 != ~id4~0;main_~init__tmp~0#1 := 1;~__return_19080~0 := main_~init__tmp~0#1;main_~main__i2~0#1 := ~__return_19080~0; {1109#(<= (+ ~nomsg~0 1) ~send1~0)} is VALID [2022-02-20 18:47:11,996 INFO L290 TraceCheckUtils]: 26: Hoare triple {1109#(<= (+ ~nomsg~0 1) ~send1~0)} assume 0 != main_~main__i2~0#1;~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~nomsg~0;~p4_new~0 := ~nomsg~0;main_~main__i2~0#1 := 0;havoc main_~node1__m1~0#1;main_~node1__m1~0#1 := ~nomsg~0; {1109#(<= (+ ~nomsg~0 1) ~send1~0)} is VALID [2022-02-20 18:47:11,996 INFO L290 TraceCheckUtils]: 27: Hoare triple {1109#(<= (+ ~nomsg~0 1) ~send1~0)} assume !!(0 == ~mode1~0 % 256); {1109#(<= (+ ~nomsg~0 1) ~send1~0)} is VALID [2022-02-20 18:47:11,997 INFO L290 TraceCheckUtils]: 28: Hoare triple {1109#(<= (+ ~nomsg~0 1) ~send1~0)} assume !(0 == ~alive1~0 % 256);havoc main_~node1____CPAchecker_TMP_0~0#1; {1109#(<= (+ ~nomsg~0 1) ~send1~0)} is VALID [2022-02-20 18:47:11,997 INFO L290 TraceCheckUtils]: 29: Hoare triple {1109#(<= (+ ~nomsg~0 1) ~send1~0)} assume !(~send1~0 != ~nomsg~0);main_~node1____CPAchecker_TMP_0~0#1 := ~p1_new~0;~p1_new~0 := (if main_~node1____CPAchecker_TMP_0~0#1 % 256 <= 127 then main_~node1____CPAchecker_TMP_0~0#1 % 256 else main_~node1____CPAchecker_TMP_0~0#1 % 256 - 256);~mode1~0 := 1;havoc main_~node2__m2~4#1;main_~node2__m2~4#1 := ~nomsg~0; {1106#false} is VALID [2022-02-20 18:47:11,998 INFO L290 TraceCheckUtils]: 30: Hoare triple {1106#false} assume !!(0 == ~mode2~0 % 256); {1106#false} is VALID [2022-02-20 18:47:11,998 INFO L290 TraceCheckUtils]: 31: Hoare triple {1106#false} assume !(0 == ~alive2~0 % 256);havoc main_~node2____CPAchecker_TMP_0~2#1; {1106#false} is VALID [2022-02-20 18:47:11,998 INFO L290 TraceCheckUtils]: 32: Hoare triple {1106#false} assume !(~send2~0 != ~nomsg~0);main_~node2____CPAchecker_TMP_0~2#1 := ~p2_new~0;~p2_new~0 := (if main_~node2____CPAchecker_TMP_0~2#1 % 256 <= 127 then main_~node2____CPAchecker_TMP_0~2#1 % 256 else main_~node2____CPAchecker_TMP_0~2#1 % 256 - 256);~mode2~0 := 1;havoc main_~node3__m3~9#1;main_~node3__m3~9#1 := ~nomsg~0; {1106#false} is VALID [2022-02-20 18:47:11,999 INFO L290 TraceCheckUtils]: 33: Hoare triple {1106#false} assume !!(0 == ~mode3~0 % 256); {1106#false} is VALID [2022-02-20 18:47:11,999 INFO L290 TraceCheckUtils]: 34: Hoare triple {1106#false} assume !(0 == ~alive3~0 % 256);havoc main_~node3____CPAchecker_TMP_0~5#1; {1106#false} is VALID [2022-02-20 18:47:11,999 INFO L290 TraceCheckUtils]: 35: Hoare triple {1106#false} assume !(~send3~0 != ~nomsg~0);main_~node3____CPAchecker_TMP_0~5#1 := ~p3_new~0;~p3_new~0 := (if main_~node3____CPAchecker_TMP_0~5#1 % 256 <= 127 then main_~node3____CPAchecker_TMP_0~5#1 % 256 else main_~node3____CPAchecker_TMP_0~5#1 % 256 - 256);~mode3~0 := 1;havoc main_~node4__m4~26#1;main_~node4__m4~26#1 := ~nomsg~0; {1106#false} is VALID [2022-02-20 18:47:11,999 INFO L290 TraceCheckUtils]: 36: Hoare triple {1106#false} assume !!(0 == ~mode4~0 % 256); {1106#false} is VALID [2022-02-20 18:47:12,000 INFO L290 TraceCheckUtils]: 37: Hoare triple {1106#false} assume !(0 == ~alive4~0 % 256);havoc main_~node4____CPAchecker_TMP_0~18#1; {1106#false} is VALID [2022-02-20 18:47:12,000 INFO L290 TraceCheckUtils]: 38: Hoare triple {1106#false} assume !(~send4~0 != ~nomsg~0);main_~node4____CPAchecker_TMP_0~18#1 := ~p4_new~0;~p4_new~0 := (if main_~node4____CPAchecker_TMP_0~18#1 % 256 <= 127 then main_~node4____CPAchecker_TMP_0~18#1 % 256 else main_~node4____CPAchecker_TMP_0~18#1 % 256 - 256);~mode4~0 := 1;~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;havoc main_~check__tmp~85#1; {1106#false} is VALID [2022-02-20 18:47:12,000 INFO L290 TraceCheckUtils]: 39: Hoare triple {1106#false} assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 <= 1; {1106#false} is VALID [2022-02-20 18:47:12,000 INFO L290 TraceCheckUtils]: 40: Hoare triple {1106#false} assume ~r1~0 % 256 < 4;main_~check__tmp~85#1 := 1;~__return_19179~0 := main_~check__tmp~85#1;main_~main__c1~0#1 := ~__return_19179~0;havoc main_~__tmp_82~0#1;main_~__tmp_82~0#1 := (if 0 == main_~main__c1~0#1 then 0 else 1);havoc main_~assert__arg~81#1;main_~assert__arg~81#1 := main_~__tmp_82~0#1; {1106#false} is VALID [2022-02-20 18:47:12,001 INFO L290 TraceCheckUtils]: 41: Hoare triple {1106#false} assume !(0 == main_~assert__arg~81#1 % 256); {1106#false} is VALID [2022-02-20 18:47:12,001 INFO L290 TraceCheckUtils]: 42: Hoare triple {1106#false} havoc main_~node1__m1~1#1;main_~node1__m1~1#1 := ~nomsg~0; {1106#false} is VALID [2022-02-20 18:47:12,001 INFO L290 TraceCheckUtils]: 43: Hoare triple {1106#false} assume !(0 == ~mode1~0 % 256); {1106#false} is VALID [2022-02-20 18:47:12,001 INFO L290 TraceCheckUtils]: 44: Hoare triple {1106#false} assume !(255 == ~r1~0 % 256);~r1~0 := 1 + ~r1~0 % 256;main_~node1__m1~1#1 := ~p4_old~0;~p4_old~0 := ~nomsg~0; {1106#false} is VALID [2022-02-20 18:47:12,002 INFO L290 TraceCheckUtils]: 45: Hoare triple {1106#false} assume main_~node1__m1~1#1 != ~nomsg~0; {1106#false} is VALID [2022-02-20 18:47:12,002 INFO L290 TraceCheckUtils]: 46: Hoare triple {1106#false} assume !(0 == ~alive1~0 % 256); {1106#false} is VALID [2022-02-20 18:47:12,002 INFO L290 TraceCheckUtils]: 47: Hoare triple {1106#false} assume !(main_~node1__m1~1#1 > ~id1~0); {1106#false} is VALID [2022-02-20 18:47:12,002 INFO L290 TraceCheckUtils]: 48: Hoare triple {1106#false} assume main_~node1__m1~1#1 == ~id1~0;~st1~0 := 1;~mode1~0 := 0;havoc main_~node2__m2~3#1;main_~node2__m2~3#1 := ~nomsg~0; {1106#false} is VALID [2022-02-20 18:47:12,003 INFO L290 TraceCheckUtils]: 49: Hoare triple {1106#false} assume !(0 == ~mode2~0 % 256);main_~node2__m2~3#1 := ~p1_old~0;~p1_old~0 := ~nomsg~0; {1106#false} is VALID [2022-02-20 18:47:12,003 INFO L290 TraceCheckUtils]: 50: Hoare triple {1106#false} assume !(main_~node2__m2~3#1 != ~nomsg~0);~mode2~0 := 0; {1106#false} is VALID [2022-02-20 18:47:12,003 INFO L290 TraceCheckUtils]: 51: Hoare triple {1106#false} havoc main_~node3__m3~4#1;main_~node3__m3~4#1 := ~nomsg~0; {1106#false} is VALID [2022-02-20 18:47:12,004 INFO L290 TraceCheckUtils]: 52: Hoare triple {1106#false} assume !(0 == ~mode3~0 % 256);main_~node3__m3~4#1 := ~p2_old~0;~p2_old~0 := ~nomsg~0; {1106#false} is VALID [2022-02-20 18:47:12,004 INFO L290 TraceCheckUtils]: 53: Hoare triple {1106#false} assume !(main_~node3__m3~4#1 != ~nomsg~0);~mode3~0 := 0; {1106#false} is VALID [2022-02-20 18:47:12,004 INFO L290 TraceCheckUtils]: 54: Hoare triple {1106#false} havoc main_~node4__m4~6#1;main_~node4__m4~6#1 := ~nomsg~0; {1106#false} is VALID [2022-02-20 18:47:12,004 INFO L290 TraceCheckUtils]: 55: Hoare triple {1106#false} assume !(0 == ~mode4~0 % 256);main_~node4__m4~6#1 := ~p3_old~0;~p3_old~0 := ~nomsg~0; {1106#false} is VALID [2022-02-20 18:47:12,005 INFO L290 TraceCheckUtils]: 56: Hoare triple {1106#false} assume main_~node4__m4~6#1 != ~nomsg~0; {1106#false} is VALID [2022-02-20 18:47:12,005 INFO L290 TraceCheckUtils]: 57: Hoare triple {1106#false} assume !(0 == ~alive4~0 % 256); {1106#false} is VALID [2022-02-20 18:47:12,005 INFO L290 TraceCheckUtils]: 58: Hoare triple {1106#false} assume !(main_~node4__m4~6#1 > ~id4~0); {1106#false} is VALID [2022-02-20 18:47:12,005 INFO L290 TraceCheckUtils]: 59: Hoare triple {1106#false} assume main_~node4__m4~6#1 == ~id4~0;~st4~0 := 1;~mode4~0 := 0;~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;havoc main_~check__tmp~11#1; {1106#false} is VALID [2022-02-20 18:47:12,006 INFO L290 TraceCheckUtils]: 60: Hoare triple {1106#false} assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 <= 1);main_~check__tmp~11#1 := 0;~__return_19829~0 := main_~check__tmp~11#1;main_~main__c1~0#1 := ~__return_19829~0;havoc main_~__tmp_11~0#1;main_~__tmp_11~0#1 := (if 0 == main_~main__c1~0#1 then 0 else 1);havoc main_~assert__arg~10#1;main_~assert__arg~10#1 := main_~__tmp_11~0#1; {1106#false} is VALID [2022-02-20 18:47:12,006 INFO L290 TraceCheckUtils]: 61: Hoare triple {1106#false} assume 0 == main_~assert__arg~10#1 % 256; {1106#false} is VALID [2022-02-20 18:47:12,006 INFO L290 TraceCheckUtils]: 62: Hoare triple {1106#false} assume !false; {1106#false} is VALID [2022-02-20 18:47:12,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 18:47:12,008 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 18:47:12,008 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1661907333] [2022-02-20 18:47:12,009 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1661907333] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 18:47:12,009 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 18:47:12,009 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-20 18:47:12,010 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655080745] [2022-02-20 18:47:12,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 18:47:12,015 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 63 [2022-02-20 18:47:12,016 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 18:47:12,019 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 18:47:12,074 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 63 edges. 63 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:47:12,075 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-20 18:47:12,075 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 18:47:12,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-20 18:47:12,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-20 18:47:12,097 INFO L87 Difference]: Start difference. First operand has 1102 states, 1094 states have (on average 1.8875685557586837) internal successors, (2065), 1101 states have internal predecessors, (2065), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 18:47:15,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:47:15,553 INFO L93 Difference]: Finished difference Result 1790 states and 3275 transitions. [2022-02-20 18:47:15,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-20 18:47:15,554 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 63 [2022-02-20 18:47:15,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 18:47:15,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 18:47:15,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 3275 transitions. [2022-02-20 18:47:15,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 18:47:15,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 3275 transitions. [2022-02-20 18:47:15,641 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 3275 transitions. [2022-02-20 18:47:18,014 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 3275 edges. 3275 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:47:18,121 INFO L225 Difference]: With dead ends: 1790 [2022-02-20 18:47:18,121 INFO L226 Difference]: Without dead ends: 987 [2022-02-20 18:47:18,127 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-02-20 18:47:18,130 INFO L933 BasicCegarLoop]: 1062 mSDtfsCounter, 5040 mSDsluCounter, 188 mSDsCounter, 0 mSdLazyCounter, 566 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5040 SdHoareTripleChecker+Valid, 1250 SdHoareTripleChecker+Invalid, 579 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 566 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-20 18:47:18,131 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5040 Valid, 1250 Invalid, 579 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 566 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-20 18:47:18,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 987 states. [2022-02-20 18:47:18,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 987 to 979. [2022-02-20 18:47:18,400 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 18:47:18,406 INFO L82 GeneralOperation]: Start isEquivalent. First operand 987 states. Second operand has 979 states, 972 states have (on average 1.3477366255144032) internal successors, (1310), 978 states have internal predecessors, (1310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 18:47:18,408 INFO L74 IsIncluded]: Start isIncluded. First operand 987 states. Second operand has 979 states, 972 states have (on average 1.3477366255144032) internal successors, (1310), 978 states have internal predecessors, (1310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 18:47:18,410 INFO L87 Difference]: Start difference. First operand 987 states. Second operand has 979 states, 972 states have (on average 1.3477366255144032) internal successors, (1310), 978 states have internal predecessors, (1310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 18:47:18,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:47:18,467 INFO L93 Difference]: Finished difference Result 987 states and 1314 transitions. [2022-02-20 18:47:18,467 INFO L276 IsEmpty]: Start isEmpty. Operand 987 states and 1314 transitions. [2022-02-20 18:47:18,473 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:47:18,473 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:47:18,475 INFO L74 IsIncluded]: Start isIncluded. First operand has 979 states, 972 states have (on average 1.3477366255144032) internal successors, (1310), 978 states have internal predecessors, (1310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 987 states. [2022-02-20 18:47:18,477 INFO L87 Difference]: Start difference. First operand has 979 states, 972 states have (on average 1.3477366255144032) internal successors, (1310), 978 states have internal predecessors, (1310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 987 states. [2022-02-20 18:47:18,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:47:18,535 INFO L93 Difference]: Finished difference Result 987 states and 1314 transitions. [2022-02-20 18:47:18,535 INFO L276 IsEmpty]: Start isEmpty. Operand 987 states and 1314 transitions. [2022-02-20 18:47:18,537 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:47:18,537 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:47:18,537 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 18:47:18,537 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 18:47:18,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 979 states, 972 states have (on average 1.3477366255144032) internal successors, (1310), 978 states have internal predecessors, (1310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 18:47:18,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 979 states to 979 states and 1310 transitions. [2022-02-20 18:47:18,603 INFO L78 Accepts]: Start accepts. Automaton has 979 states and 1310 transitions. Word has length 63 [2022-02-20 18:47:18,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 18:47:18,604 INFO L470 AbstractCegarLoop]: Abstraction has 979 states and 1310 transitions. [2022-02-20 18:47:18,605 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 18:47:18,605 INFO L276 IsEmpty]: Start isEmpty. Operand 979 states and 1310 transitions. [2022-02-20 18:47:18,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-02-20 18:47:18,609 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 18:47:18,609 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 18:47:18,610 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-20 18:47:18,610 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2022-02-20 18:47:18,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 18:47:18,612 INFO L85 PathProgramCache]: Analyzing trace with hash 517550277, now seen corresponding path program 1 times [2022-02-20 18:47:18,613 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 18:47:18,613 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [433317] [2022-02-20 18:47:18,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 18:47:18,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 18:47:18,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:47:18,741 INFO L290 TraceCheckUtils]: 0: Hoare triple {6264#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(63, 2);call #Ultimate.allocInit(12, 3);~__return_main~0 := 0;~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~alive1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~alive2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~alive3~0 := 0;~p4~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~send4~0 := 0;~mode4~0 := 0;~alive4~0 := 0;~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[0 := #funAddr~node1.base], ~nodes~0.offset[0 := #funAddr~node1.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[1 := #funAddr~node2.base], ~nodes~0.offset[1 := #funAddr~node2.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[2 := #funAddr~node3.base], ~nodes~0.offset[2 := #funAddr~node3.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[3 := #funAddr~node4.base], ~nodes~0.offset[3 := #funAddr~node4.offset];~__return_19080~0 := 0;~__return_22830~0 := 0;~__return_19254~0 := 0;~__return_19337~0 := 0;~__return_19754~0 := 0;~__return_20306~0 := 0;~__return_20551~0 := 0;~__return_21733~0 := 0;~__return_21990~0 := 0;~__return_22543~0 := 0;~__return_22792~0 := 0;~__return_19596~0 := 0;~__return_19829~0 := 0;~__return_20393~0 := 0;~__return_20629~0 := 0;~__return_21832~0 := 0;~__return_22068~0 := 0;~__return_22633~0 := 0;~__return_22752~0 := 0;~__return_22911~0 := 0;~__return_22878~0 := 0;~__return_22581~0 := 0;~__return_22492~0 := 0;~__return_22703~0 := 0;~__return_22670~0 := 0;~__return_23135~0 := 0;~__return_23104~0 := 0;~__return_23198~0 := 0;~__return_23165~0 := 0;~__return_22990~0 := 0;~__return_22959~0 := 0;~__return_23053~0 := 0;~__return_23020~0 := 0;~__return_22028~0 := 0;~__return_21951~0 := 0;~__return_22138~0 := 0;~__return_22105~0 := 0;~__return_21769~0 := 0;~__return_21668~0 := 0;~__return_21902~0 := 0;~__return_21869~0 := 0;~__return_22362~0 := 0;~__return_22331~0 := 0;~__return_22425~0 := 0;~__return_22392~0 := 0;~__return_22217~0 := 0;~__return_22186~0 := 0;~__return_22280~0 := 0;~__return_22247~0 := 0;~__return_23438~0 := 0;~__return_23407~0 := 0;~__return_23501~0 := 0;~__return_23468~0 := 0;~__return_23295~0 := 0;~__return_23264~0 := 0;~__return_23358~0 := 0;~__return_23325~0 := 0;~__return_23725~0 := 0;~__return_23694~0 := 0;~__return_23788~0 := 0;~__return_23755~0 := 0;~__return_23580~0 := 0;~__return_23549~0 := 0;~__return_23643~0 := 0;~__return_23610~0 := 0;~__return_20589~0 := 0;~__return_20512~0 := 0;~__return_20699~0 := 0;~__return_20666~0 := 0;~__return_20342~0 := 0;~__return_20253~0 := 0;~__return_20463~0 := 0;~__return_20430~0 := 0;~__return_20923~0 := 0;~__return_20892~0 := 0;~__return_20986~0 := 0;~__return_20953~0 := 0;~__return_20778~0 := 0;~__return_20747~0 := 0;~__return_20841~0 := 0;~__return_20808~0 := 0;~__return_19790~0 := 0;~__return_19713~0 := 0;~__return_19899~0 := 0;~__return_19866~0 := 0;~__return_19519~0 := 0;~__return_19179~0 := 0;~__return_19664~0 := 0;~__return_19631~0 := 0;~__return_20123~0 := 0;~__return_20092~0 := 0;~__return_20186~0 := 0;~__return_20153~0 := 0;~__return_19978~0 := 0;~__return_19947~0 := 0;~__return_20041~0 := 0;~__return_20008~0 := 0;~__return_21226~0 := 0;~__return_21195~0 := 0;~__return_21289~0 := 0;~__return_21256~0 := 0;~__return_21083~0 := 0;~__return_21052~0 := 0;~__return_21146~0 := 0;~__return_21113~0 := 0;~__return_21513~0 := 0;~__return_21482~0 := 0;~__return_21576~0 := 0;~__return_21543~0 := 0;~__return_21368~0 := 0;~__return_21337~0 := 0;~__return_21431~0 := 0;~__return_21398~0 := 0;~__return_24644~0 := 0;~__return_24613~0 := 0;~__return_24707~0 := 0;~__return_24674~0 := 0;~__return_24501~0 := 0;~__return_24470~0 := 0;~__return_24564~0 := 0;~__return_24531~0 := 0;~__return_24931~0 := 0;~__return_24900~0 := 0;~__return_24994~0 := 0;~__return_24961~0 := 0;~__return_24786~0 := 0;~__return_24755~0 := 0;~__return_24849~0 := 0;~__return_24816~0 := 0;~__return_24053~0 := 0;~__return_24022~0 := 0;~__return_24116~0 := 0;~__return_24083~0 := 0;~__return_23910~0 := 0;~__return_23879~0 := 0;~__return_23973~0 := 0;~__return_23940~0 := 0;~__return_24340~0 := 0;~__return_24309~0 := 0;~__return_24403~0 := 0;~__return_24370~0 := 0;~__return_24195~0 := 0;~__return_24164~0 := 0;~__return_24258~0 := 0;~__return_24225~0 := 0;~__return_25234~0 := 0;~__return_25203~0 := 0;~__return_25297~0 := 0;~__return_25264~0 := 0;~__return_25091~0 := 0;~__return_25060~0 := 0;~__return_25154~0 := 0;~__return_25121~0 := 0;~__return_25521~0 := 0;~__return_25490~0 := 0;~__return_25584~0 := 0;~__return_25551~0 := 0;~__return_25376~0 := 0;~__return_25345~0 := 0;~__return_25439~0 := 0;~__return_25406~0 := 0; {6264#true} is VALID [2022-02-20 18:47:18,741 INFO L290 TraceCheckUtils]: 1: Hoare triple {6264#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_~__tmp_3~0#1, main_~assert__arg~2#1, main_~check__tmp~2#1, main_~node4____CPAchecker_TMP_0~1#1, main_~node4____CPAchecker_TMP_1~0#1, main_~node4__m4~2#1, main_~node3____CPAchecker_TMP_0~1#1, main_~node3____CPAchecker_TMP_1~0#1, main_~node3__m3~2#1, main_~node2____CPAchecker_TMP_0~1#1, main_~node2____CPAchecker_TMP_1~0#1, main_~node2__m2~2#1, main_~node1____CPAchecker_TMP_0~1#1, main_~node1____CPAchecker_TMP_1~0#1, main_~node1__m1~2#1, main_~__tmp_2~0#1, main_~assert__arg~1#1, main_~check__tmp~1#1, main_~__tmp_4~0#1, main_~assert__arg~3#1, main_~check__tmp~3#1, main_~node4__m4~1#1, main_~__tmp_5~0#1, main_~assert__arg~4#1, main_~check__tmp~4#1, main_~__tmp_6~0#1, main_~assert__arg~5#1, main_~check__tmp~5#1, main_~node4__m4~3#1, main_~node3__m3~1#1, main_~__tmp_7~0#1, main_~assert__arg~6#1, main_~check__tmp~6#1, main_~__tmp_8~0#1, main_~assert__arg~7#1, main_~check__tmp~7#1, main_~node4__m4~4#1, main_~__tmp_9~0#1, main_~assert__arg~8#1, main_~check__tmp~8#1, main_~check__tmp~9#1, main_~node4__m4~5#1, main_~node3__m3~3#1, main_~node2__m2~1#1, main_~__tmp_10~0#1, main_~assert__arg~9#1, main_~check__tmp~10#1, main_~__tmp_11~0#1, main_~assert__arg~10#1, main_~check__tmp~11#1, main_~node4__m4~6#1, main_~__tmp_12~0#1, main_~assert__arg~11#1, main_~check__tmp~12#1, main_~check__tmp~13#1, main_~node4__m4~7#1, main_~node3__m3~4#1, main_~__tmp_13~0#1, main_~assert__arg~12#1, main_~check__tmp~14#1, main_~check__tmp~15#1, main_~node4__m4~8#1, main_~check__tmp~16#1, main_~node4__m4~9#1, main_~node3__m3~5#1, main_~node2__m2~3#1, main_~node1__m1~1#1, main_~__tmp_1~0#1, main_~assert__arg~0#1, main_~check__tmp~0#1, main_~__tmp_14~0#1, main_~assert__arg~13#1, main_~check__tmp~17#1, main_~node4____CPAchecker_TMP_0~0#1, main_~__tmp_15~0#1, main_~assert__arg~14#1, main_~check__tmp~18#1, main_~node4____CPAchecker_TMP_1~1#1, main_~__tmp_16~0#1, main_~assert__arg~15#1, main_~check__tmp~19#1, main_~node4__m4~0#1, main_~__tmp_17~0#1, main_~assert__arg~16#1, main_~check__tmp~20#1, main_~__tmp_18~0#1, main_~assert__arg~17#1, main_~check__tmp~21#1, main_~node4____CPAchecker_TMP_0~2#1, main_~__tmp_19~0#1, main_~assert__arg~18#1, main_~check__tmp~22#1, main_~node4____CPAchecker_TMP_1~2#1, main_~__tmp_20~0#1, main_~assert__arg~19#1, main_~check__tmp~23#1, main_~node4__m4~10#1, main_~node3____CPAchecker_TMP_0~0#1, main_~__tmp_21~0#1, main_~assert__arg~20#1, main_~check__tmp~24#1, main_~__tmp_22~0#1, main_~assert__arg~21#1, main_~check__tmp~25#1, main_~node4____CPAchecker_TMP_0~3#1, main_~__tmp_23~0#1, main_~assert__arg~22#1, main_~check__tmp~26#1, main_~node4____CPAchecker_TMP_1~3#1, main_~__tmp_24~0#1, main_~assert__arg~23#1, main_~check__tmp~27#1, main_~node4__m4~11#1, 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main_~check__tmp~136#1, main_~__tmp_134~0#1, main_~assert__arg~133#1, main_~check__tmp~137#1, main_~node4____CPAchecker_TMP_0~31#1, main_~__tmp_135~0#1, main_~assert__arg~134#1, main_~check__tmp~138#1, main_~node4____CPAchecker_TMP_1~31#1, main_~__tmp_136~0#1, main_~assert__arg~135#1, main_~check__tmp~139#1, main_~node4__m4~39#1, main_~node3____CPAchecker_TMP_1~8#1, main_~__tmp_137~0#1, main_~assert__arg~136#1, main_~check__tmp~140#1, main_~__tmp_138~0#1, main_~assert__arg~137#1, main_~check__tmp~141#1, main_~node4____CPAchecker_TMP_0~32#1, main_~__tmp_139~0#1, main_~assert__arg~138#1, main_~check__tmp~142#1, main_~node4____CPAchecker_TMP_1~32#1, main_~__tmp_140~0#1, main_~assert__arg~139#1, main_~check__tmp~143#1, main_~node4__m4~40#1, main_~node3__m3~12#1, main_~node2____CPAchecker_TMP_0~3#1, main_~__tmp_141~0#1, main_~assert__arg~140#1, main_~check__tmp~144#1, main_~__tmp_142~0#1, main_~assert__arg~141#1, main_~check__tmp~145#1, main_~node4____CPAchecker_TMP_0~33#1, main_~__tmp_143~0#1, main_~assert__arg~142#1, main_~check__tmp~146#1, main_~node4____CPAchecker_TMP_1~33#1, main_~__tmp_144~0#1, main_~assert__arg~143#1, main_~check__tmp~147#1, main_~node4__m4~41#1, main_~__tmp_145~0#1, main_~assert__arg~144#1, main_~check__tmp~148#1, main_~__tmp_146~0#1, main_~assert__arg~145#1, main_~check__tmp~149#1, main_~node4____CPAchecker_TMP_0~34#1, main_~__tmp_147~0#1, main_~assert__arg~146#1, main_~check__tmp~150#1, main_~node4____CPAchecker_TMP_1~34#1, main_~__tmp_148~0#1, main_~assert__arg~147#1, main_~check__tmp~151#1, main_~node4__m4~42#1, main_~node3____CPAchecker_TMP_0~9#1, main_~__tmp_149~0#1, main_~assert__arg~148#1, main_~check__tmp~152#1, main_~__tmp_150~0#1, main_~assert__arg~149#1, main_~check__tmp~153#1, main_~node4____CPAchecker_TMP_0~35#1, main_~__tmp_151~0#1, main_~assert__arg~150#1, main_~check__tmp~154#1, main_~node4____CPAchecker_TMP_1~35#1, main_~__tmp_152~0#1, main_~assert__arg~151#1, main_~check__tmp~155#1, main_~node4__m4~43#1, main_~node3____CPAchecker_TMP_1~9#1, main_~__tmp_153~0#1, main_~assert__arg~152#1, main_~check__tmp~156#1, main_~__tmp_154~0#1, main_~assert__arg~153#1, main_~check__tmp~157#1, main_~node4____CPAchecker_TMP_0~36#1, main_~__tmp_155~0#1, main_~assert__arg~154#1, main_~check__tmp~158#1, main_~node4____CPAchecker_TMP_1~36#1, main_~__tmp_156~0#1, main_~assert__arg~155#1, main_~check__tmp~159#1, main_~node4__m4~44#1, main_~node3__m3~13#1, main_~node2____CPAchecker_TMP_1~3#1, main_~node2__m2~5#1, main_~node1____CPAchecker_TMP_1~1#1, main_~node1__m1~0#1, main_~init__tmp~0#1, main_~main__c1~0#1, main_~main__i2~0#1;havoc main_~main__c1~0#1;havoc main_~main__i2~0#1;main_~main__c1~0#1 := 0;~r1~0 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -128 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 127;~id1~0 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -128 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 127;~st1~0 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -128 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 127;~send1~0 := main_#t~nondet7#1;havoc main_#t~nondet7#1;~mode1~0 := main_#t~nondet8#1;havoc main_#t~nondet8#1;~alive1~0 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -128 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 127;~id2~0 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -128 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 127;~st2~0 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -128 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 127;~send2~0 := main_#t~nondet12#1;havoc main_#t~nondet12#1;~mode2~0 := main_#t~nondet13#1;havoc main_#t~nondet13#1;~alive2~0 := main_#t~nondet14#1;havoc main_#t~nondet14#1;assume -128 <= main_#t~nondet15#1 && main_#t~nondet15#1 <= 127;~id3~0 := main_#t~nondet15#1;havoc main_#t~nondet15#1;assume -128 <= main_#t~nondet16#1 && main_#t~nondet16#1 <= 127;~st3~0 := main_#t~nondet16#1;havoc main_#t~nondet16#1;assume -128 <= main_#t~nondet17#1 && main_#t~nondet17#1 <= 127;~send3~0 := main_#t~nondet17#1;havoc main_#t~nondet17#1;~mode3~0 := main_#t~nondet18#1;havoc main_#t~nondet18#1;~alive3~0 := main_#t~nondet19#1;havoc main_#t~nondet19#1;assume -128 <= main_#t~nondet20#1 && main_#t~nondet20#1 <= 127;~id4~0 := main_#t~nondet20#1;havoc main_#t~nondet20#1;assume -128 <= main_#t~nondet21#1 && main_#t~nondet21#1 <= 127;~st4~0 := main_#t~nondet21#1;havoc main_#t~nondet21#1;assume -128 <= main_#t~nondet22#1 && main_#t~nondet22#1 <= 127;~send4~0 := main_#t~nondet22#1;havoc main_#t~nondet22#1;~mode4~0 := main_#t~nondet23#1;havoc main_#t~nondet23#1;~alive4~0 := main_#t~nondet24#1;havoc main_#t~nondet24#1;havoc main_~init__tmp~0#1; {6264#true} is VALID [2022-02-20 18:47:18,742 INFO L290 TraceCheckUtils]: 2: Hoare triple {6264#true} assume 0 == ~r1~0 % 256; {6264#true} is VALID [2022-02-20 18:47:18,742 INFO L290 TraceCheckUtils]: 3: Hoare triple {6264#true} assume ~alive1~0 % 256 + ~alive2~0 % 256 + ~alive3~0 % 256 + ~alive4~0 % 256 >= 1; {6264#true} is VALID [2022-02-20 18:47:18,742 INFO L290 TraceCheckUtils]: 4: Hoare triple {6264#true} assume ~id1~0 >= 0; {6264#true} is VALID [2022-02-20 18:47:18,742 INFO L290 TraceCheckUtils]: 5: Hoare triple {6264#true} assume 0 == ~st1~0; {6264#true} is VALID [2022-02-20 18:47:18,743 INFO L290 TraceCheckUtils]: 6: Hoare triple {6264#true} assume ~send1~0 == ~id1~0; {6264#true} is VALID [2022-02-20 18:47:18,743 INFO L290 TraceCheckUtils]: 7: Hoare triple {6264#true} assume 0 == ~mode1~0 % 256; {6264#true} is VALID [2022-02-20 18:47:18,743 INFO L290 TraceCheckUtils]: 8: Hoare triple {6264#true} assume ~id2~0 >= 0; {6264#true} is VALID [2022-02-20 18:47:18,743 INFO L290 TraceCheckUtils]: 9: Hoare triple {6264#true} assume 0 == ~st2~0; {6264#true} is VALID [2022-02-20 18:47:18,743 INFO L290 TraceCheckUtils]: 10: Hoare triple {6264#true} assume ~send2~0 == ~id2~0; {6264#true} is VALID [2022-02-20 18:47:18,744 INFO L290 TraceCheckUtils]: 11: Hoare triple {6264#true} assume 0 == ~mode2~0 % 256; {6264#true} is VALID [2022-02-20 18:47:18,744 INFO L290 TraceCheckUtils]: 12: Hoare triple {6264#true} assume ~id3~0 >= 0; {6264#true} is VALID [2022-02-20 18:47:18,744 INFO L290 TraceCheckUtils]: 13: Hoare triple {6264#true} assume 0 == ~st3~0; {6264#true} is VALID [2022-02-20 18:47:18,744 INFO L290 TraceCheckUtils]: 14: Hoare triple {6264#true} assume ~send3~0 == ~id3~0; {6264#true} is VALID [2022-02-20 18:47:18,745 INFO L290 TraceCheckUtils]: 15: Hoare triple {6264#true} assume 0 == ~mode3~0 % 256; {6264#true} is VALID [2022-02-20 18:47:18,745 INFO L290 TraceCheckUtils]: 16: Hoare triple {6264#true} assume ~id4~0 >= 0; {6264#true} is VALID [2022-02-20 18:47:18,745 INFO L290 TraceCheckUtils]: 17: Hoare triple {6264#true} assume 0 == ~st4~0; {6264#true} is VALID [2022-02-20 18:47:18,745 INFO L290 TraceCheckUtils]: 18: Hoare triple {6264#true} assume ~send4~0 == ~id4~0; {6264#true} is VALID [2022-02-20 18:47:18,745 INFO L290 TraceCheckUtils]: 19: Hoare triple {6264#true} assume 0 == ~mode4~0 % 256; {6264#true} is VALID [2022-02-20 18:47:18,746 INFO L290 TraceCheckUtils]: 20: Hoare triple {6264#true} assume ~id1~0 != ~id2~0; {6264#true} is VALID [2022-02-20 18:47:18,746 INFO L290 TraceCheckUtils]: 21: Hoare triple {6264#true} assume ~id1~0 != ~id3~0; {6264#true} is VALID [2022-02-20 18:47:18,746 INFO L290 TraceCheckUtils]: 22: Hoare triple {6264#true} assume ~id1~0 != ~id4~0; {6264#true} is VALID [2022-02-20 18:47:18,746 INFO L290 TraceCheckUtils]: 23: Hoare triple {6264#true} assume ~id2~0 != ~id3~0; {6264#true} is VALID [2022-02-20 18:47:18,746 INFO L290 TraceCheckUtils]: 24: Hoare triple {6264#true} assume ~id2~0 != ~id4~0; {6264#true} is VALID [2022-02-20 18:47:18,747 INFO L290 TraceCheckUtils]: 25: Hoare triple {6264#true} assume ~id3~0 != ~id4~0;main_~init__tmp~0#1 := 1;~__return_19080~0 := main_~init__tmp~0#1;main_~main__i2~0#1 := ~__return_19080~0; {6264#true} is VALID [2022-02-20 18:47:18,747 INFO L290 TraceCheckUtils]: 26: Hoare triple {6264#true} assume 0 != main_~main__i2~0#1;~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~nomsg~0;~p4_new~0 := ~nomsg~0;main_~main__i2~0#1 := 0;havoc main_~node1__m1~0#1;main_~node1__m1~0#1 := ~nomsg~0; {6264#true} is VALID [2022-02-20 18:47:18,747 INFO L290 TraceCheckUtils]: 27: Hoare triple {6264#true} assume !!(0 == ~mode1~0 % 256); {6264#true} is VALID [2022-02-20 18:47:18,748 INFO L290 TraceCheckUtils]: 28: Hoare triple {6264#true} assume !!(0 == ~alive1~0 % 256); {6266#(= (+ ~alive1~0 (* (- 256) (div ~alive1~0 256))) 0)} is VALID [2022-02-20 18:47:18,749 INFO L290 TraceCheckUtils]: 29: Hoare triple {6266#(= (+ ~alive1~0 (* (- 256) (div ~alive1~0 256))) 0)} assume !(~send1~0 != ~id1~0); {6266#(= (+ ~alive1~0 (* (- 256) (div ~alive1~0 256))) 0)} is VALID [2022-02-20 18:47:18,749 INFO L290 TraceCheckUtils]: 30: Hoare triple {6266#(= (+ ~alive1~0 (* (- 256) (div ~alive1~0 256))) 0)} ~mode1~0 := 1;havoc main_~node2__m2~5#1;main_~node2__m2~5#1 := ~nomsg~0; {6266#(= (+ ~alive1~0 (* (- 256) (div ~alive1~0 256))) 0)} is VALID [2022-02-20 18:47:18,750 INFO L290 TraceCheckUtils]: 31: Hoare triple {6266#(= (+ ~alive1~0 (* (- 256) (div ~alive1~0 256))) 0)} assume !!(0 == ~mode2~0 % 256); {6266#(= (+ ~alive1~0 (* (- 256) (div ~alive1~0 256))) 0)} is VALID [2022-02-20 18:47:18,750 INFO L290 TraceCheckUtils]: 32: Hoare triple {6266#(= (+ ~alive1~0 (* (- 256) (div ~alive1~0 256))) 0)} assume !(0 == ~alive2~0 % 256);havoc main_~node2____CPAchecker_TMP_0~3#1; {6266#(= (+ ~alive1~0 (* (- 256) (div ~alive1~0 256))) 0)} is VALID [2022-02-20 18:47:18,751 INFO L290 TraceCheckUtils]: 33: Hoare triple {6266#(= (+ ~alive1~0 (* (- 256) (div ~alive1~0 256))) 0)} assume !(~send2~0 != ~nomsg~0);main_~node2____CPAchecker_TMP_0~3#1 := ~p2_new~0;~p2_new~0 := (if main_~node2____CPAchecker_TMP_0~3#1 % 256 <= 127 then main_~node2____CPAchecker_TMP_0~3#1 % 256 else main_~node2____CPAchecker_TMP_0~3#1 % 256 - 256);~mode2~0 := 1;havoc main_~node3__m3~12#1;main_~node3__m3~12#1 := ~nomsg~0; {6266#(= (+ ~alive1~0 (* (- 256) (div ~alive1~0 256))) 0)} is VALID [2022-02-20 18:47:18,752 INFO L290 TraceCheckUtils]: 34: Hoare triple {6266#(= (+ ~alive1~0 (* (- 256) (div ~alive1~0 256))) 0)} assume !!(0 == ~mode3~0 % 256); {6266#(= (+ ~alive1~0 (* (- 256) (div ~alive1~0 256))) 0)} is VALID [2022-02-20 18:47:18,752 INFO L290 TraceCheckUtils]: 35: Hoare triple {6266#(= (+ ~alive1~0 (* (- 256) (div ~alive1~0 256))) 0)} assume !!(0 == ~alive3~0 % 256); {6266#(= (+ ~alive1~0 (* (- 256) (div ~alive1~0 256))) 0)} is VALID [2022-02-20 18:47:18,753 INFO L290 TraceCheckUtils]: 36: Hoare triple {6266#(= (+ ~alive1~0 (* (- 256) (div ~alive1~0 256))) 0)} assume !(~send3~0 != ~id3~0);~mode3~0 := 1;havoc main_~node4__m4~40#1;main_~node4__m4~40#1 := ~nomsg~0; {6266#(= (+ ~alive1~0 (* (- 256) (div ~alive1~0 256))) 0)} is VALID [2022-02-20 18:47:18,753 INFO L290 TraceCheckUtils]: 37: Hoare triple {6266#(= (+ ~alive1~0 (* (- 256) (div ~alive1~0 256))) 0)} assume !!(0 == ~mode4~0 % 256); {6266#(= (+ ~alive1~0 (* (- 256) (div ~alive1~0 256))) 0)} is VALID [2022-02-20 18:47:18,754 INFO L290 TraceCheckUtils]: 38: Hoare triple {6266#(= (+ ~alive1~0 (* (- 256) (div ~alive1~0 256))) 0)} assume !!(0 == ~alive4~0 % 256); {6266#(= (+ ~alive1~0 (* (- 256) (div ~alive1~0 256))) 0)} is VALID [2022-02-20 18:47:18,754 INFO L290 TraceCheckUtils]: 39: Hoare triple {6266#(= (+ ~alive1~0 (* (- 256) (div ~alive1~0 256))) 0)} assume !(~send4~0 != ~id4~0);~mode4~0 := 1;~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;havoc main_~check__tmp~143#1; {6266#(= (+ ~alive1~0 (* (- 256) (div ~alive1~0 256))) 0)} is VALID [2022-02-20 18:47:18,755 INFO L290 TraceCheckUtils]: 40: Hoare triple {6266#(= (+ ~alive1~0 (* (- 256) (div ~alive1~0 256))) 0)} assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 <= 1; {6266#(= (+ ~alive1~0 (* (- 256) (div ~alive1~0 256))) 0)} is VALID [2022-02-20 18:47:18,755 INFO L290 TraceCheckUtils]: 41: Hoare triple {6266#(= (+ ~alive1~0 (* (- 256) (div ~alive1~0 256))) 0)} assume ~r1~0 % 256 < 4;main_~check__tmp~143#1 := 1;~__return_24225~0 := main_~check__tmp~143#1;main_~main__c1~0#1 := ~__return_24225~0;havoc main_~__tmp_140~0#1;main_~__tmp_140~0#1 := (if 0 == main_~main__c1~0#1 then 0 else 1);havoc main_~assert__arg~139#1;main_~assert__arg~139#1 := main_~__tmp_140~0#1; {6266#(= (+ ~alive1~0 (* (- 256) (div ~alive1~0 256))) 0)} is VALID [2022-02-20 18:47:18,756 INFO L290 TraceCheckUtils]: 42: Hoare triple {6266#(= (+ ~alive1~0 (* (- 256) (div ~alive1~0 256))) 0)} assume !(0 == main_~assert__arg~139#1 % 256); {6266#(= (+ ~alive1~0 (* (- 256) (div ~alive1~0 256))) 0)} is VALID [2022-02-20 18:47:18,757 INFO L290 TraceCheckUtils]: 43: Hoare triple {6266#(= (+ ~alive1~0 (* (- 256) (div ~alive1~0 256))) 0)} havoc main_~node1__m1~1#1;main_~node1__m1~1#1 := ~nomsg~0; {6266#(= (+ ~alive1~0 (* (- 256) (div ~alive1~0 256))) 0)} is VALID [2022-02-20 18:47:18,757 INFO L290 TraceCheckUtils]: 44: Hoare triple {6266#(= (+ ~alive1~0 (* (- 256) (div ~alive1~0 256))) 0)} assume !(0 == ~mode1~0 % 256); {6266#(= (+ ~alive1~0 (* (- 256) (div ~alive1~0 256))) 0)} is VALID [2022-02-20 18:47:18,758 INFO L290 TraceCheckUtils]: 45: Hoare triple {6266#(= (+ ~alive1~0 (* (- 256) (div ~alive1~0 256))) 0)} assume !(255 == ~r1~0 % 256);~r1~0 := 1 + ~r1~0 % 256;main_~node1__m1~1#1 := ~p4_old~0;~p4_old~0 := ~nomsg~0; {6266#(= (+ ~alive1~0 (* (- 256) (div ~alive1~0 256))) 0)} is VALID [2022-02-20 18:47:18,758 INFO L290 TraceCheckUtils]: 46: Hoare triple {6266#(= (+ ~alive1~0 (* (- 256) (div ~alive1~0 256))) 0)} assume main_~node1__m1~1#1 != ~nomsg~0; {6266#(= (+ ~alive1~0 (* (- 256) (div ~alive1~0 256))) 0)} is VALID [2022-02-20 18:47:18,759 INFO L290 TraceCheckUtils]: 47: Hoare triple {6266#(= (+ ~alive1~0 (* (- 256) (div ~alive1~0 256))) 0)} assume !(0 == ~alive1~0 % 256); {6265#false} is VALID [2022-02-20 18:47:18,759 INFO L290 TraceCheckUtils]: 48: Hoare triple {6265#false} assume !(main_~node1__m1~1#1 > ~id1~0); {6265#false} is VALID [2022-02-20 18:47:18,759 INFO L290 TraceCheckUtils]: 49: Hoare triple {6265#false} assume main_~node1__m1~1#1 == ~id1~0;~st1~0 := 1;~mode1~0 := 0;havoc main_~node2__m2~3#1;main_~node2__m2~3#1 := ~nomsg~0; {6265#false} is VALID [2022-02-20 18:47:18,760 INFO L290 TraceCheckUtils]: 50: Hoare triple {6265#false} assume !(0 == ~mode2~0 % 256);main_~node2__m2~3#1 := ~p1_old~0;~p1_old~0 := ~nomsg~0; {6265#false} is VALID [2022-02-20 18:47:18,760 INFO L290 TraceCheckUtils]: 51: Hoare triple {6265#false} assume !(main_~node2__m2~3#1 != ~nomsg~0);~mode2~0 := 0; {6265#false} is VALID [2022-02-20 18:47:18,760 INFO L290 TraceCheckUtils]: 52: Hoare triple {6265#false} havoc main_~node3__m3~4#1;main_~node3__m3~4#1 := ~nomsg~0; {6265#false} is VALID [2022-02-20 18:47:18,760 INFO L290 TraceCheckUtils]: 53: Hoare triple {6265#false} assume !(0 == ~mode3~0 % 256);main_~node3__m3~4#1 := ~p2_old~0;~p2_old~0 := ~nomsg~0; {6265#false} is VALID [2022-02-20 18:47:18,760 INFO L290 TraceCheckUtils]: 54: Hoare triple {6265#false} assume !(main_~node3__m3~4#1 != ~nomsg~0);~mode3~0 := 0; {6265#false} is VALID [2022-02-20 18:47:18,761 INFO L290 TraceCheckUtils]: 55: Hoare triple {6265#false} havoc main_~node4__m4~6#1;main_~node4__m4~6#1 := ~nomsg~0; {6265#false} is VALID [2022-02-20 18:47:18,761 INFO L290 TraceCheckUtils]: 56: Hoare triple {6265#false} assume !(0 == ~mode4~0 % 256);main_~node4__m4~6#1 := ~p3_old~0;~p3_old~0 := ~nomsg~0; {6265#false} is VALID [2022-02-20 18:47:18,761 INFO L290 TraceCheckUtils]: 57: Hoare triple {6265#false} assume main_~node4__m4~6#1 != ~nomsg~0; {6265#false} is VALID [2022-02-20 18:47:18,761 INFO L290 TraceCheckUtils]: 58: Hoare triple {6265#false} assume !(0 == ~alive4~0 % 256); {6265#false} is VALID [2022-02-20 18:47:18,762 INFO L290 TraceCheckUtils]: 59: Hoare triple {6265#false} assume !(main_~node4__m4~6#1 > ~id4~0); {6265#false} is VALID [2022-02-20 18:47:18,762 INFO L290 TraceCheckUtils]: 60: Hoare triple {6265#false} assume main_~node4__m4~6#1 == ~id4~0;~st4~0 := 1;~mode4~0 := 0;~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;havoc main_~check__tmp~11#1; {6265#false} is VALID [2022-02-20 18:47:18,762 INFO L290 TraceCheckUtils]: 61: Hoare triple {6265#false} assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 <= 1);main_~check__tmp~11#1 := 0;~__return_19829~0 := main_~check__tmp~11#1;main_~main__c1~0#1 := ~__return_19829~0;havoc main_~__tmp_11~0#1;main_~__tmp_11~0#1 := (if 0 == main_~main__c1~0#1 then 0 else 1);havoc main_~assert__arg~10#1;main_~assert__arg~10#1 := main_~__tmp_11~0#1; {6265#false} is VALID [2022-02-20 18:47:18,762 INFO L290 TraceCheckUtils]: 62: Hoare triple {6265#false} assume 0 == main_~assert__arg~10#1 % 256; {6265#false} is VALID [2022-02-20 18:47:18,762 INFO L290 TraceCheckUtils]: 63: Hoare triple {6265#false} assume !false; {6265#false} is VALID [2022-02-20 18:47:18,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 18:47:18,763 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 18:47:18,763 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [433317] [2022-02-20 18:47:18,764 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [433317] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 18:47:18,764 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 18:47:18,764 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-20 18:47:18,764 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1207913691] [2022-02-20 18:47:18,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 18:47:18,765 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2022-02-20 18:47:18,766 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 18:47:18,766 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 18:47:18,812 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 64 edges. 64 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:47:18,812 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-20 18:47:18,812 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 18:47:18,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-20 18:47:18,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 18:47:18,813 INFO L87 Difference]: Start difference. First operand 979 states and 1310 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 18:47:20,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:47:20,725 INFO L93 Difference]: Finished difference Result 1722 states and 2352 transitions. [2022-02-20 18:47:20,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-20 18:47:20,725 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2022-02-20 18:47:20,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 18:47:20,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 18:47:20,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1999 transitions. [2022-02-20 18:47:20,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 18:47:20,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1999 transitions. [2022-02-20 18:47:20,746 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 1999 transitions. [2022-02-20 18:47:22,190 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 1999 edges. 1999 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:47:22,292 INFO L225 Difference]: With dead ends: 1722 [2022-02-20 18:47:22,293 INFO L226 Difference]: Without dead ends: 1402 [2022-02-20 18:47:22,294 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 18:47:22,296 INFO L933 BasicCegarLoop]: 1422 mSDtfsCounter, 896 mSDsluCounter, 714 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 896 SdHoareTripleChecker+Valid, 2136 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-20 18:47:22,297 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [896 Valid, 2136 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 18:47:22,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1402 states. [2022-02-20 18:47:22,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1402 to 1393. [2022-02-20 18:47:22,655 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 18:47:22,658 INFO L82 GeneralOperation]: Start isEquivalent. First operand 1402 states. Second operand has 1393 states, 1386 states have (on average 1.3398268398268398) internal successors, (1857), 1392 states have internal predecessors, (1857), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 18:47:22,661 INFO L74 IsIncluded]: Start isIncluded. First operand 1402 states. Second operand has 1393 states, 1386 states have (on average 1.3398268398268398) internal successors, (1857), 1392 states have internal predecessors, (1857), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 18:47:22,663 INFO L87 Difference]: Start difference. First operand 1402 states. Second operand has 1393 states, 1386 states have (on average 1.3398268398268398) internal successors, (1857), 1392 states have internal predecessors, (1857), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 18:47:22,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:47:22,759 INFO L93 Difference]: Finished difference Result 1402 states and 1862 transitions. [2022-02-20 18:47:22,760 INFO L276 IsEmpty]: Start isEmpty. Operand 1402 states and 1862 transitions. [2022-02-20 18:47:22,762 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:47:22,762 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:47:22,765 INFO L74 IsIncluded]: Start isIncluded. First operand has 1393 states, 1386 states have (on average 1.3398268398268398) internal successors, (1857), 1392 states have internal predecessors, (1857), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 1402 states. [2022-02-20 18:47:22,768 INFO L87 Difference]: Start difference. First operand has 1393 states, 1386 states have (on average 1.3398268398268398) internal successors, (1857), 1392 states have internal predecessors, (1857), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 1402 states. [2022-02-20 18:47:22,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:47:22,863 INFO L93 Difference]: Finished difference Result 1402 states and 1862 transitions. [2022-02-20 18:47:22,863 INFO L276 IsEmpty]: Start isEmpty. Operand 1402 states and 1862 transitions. [2022-02-20 18:47:22,865 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:47:22,865 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:47:22,865 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 18:47:22,866 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 18:47:22,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1393 states, 1386 states have (on average 1.3398268398268398) internal successors, (1857), 1392 states have internal predecessors, (1857), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 18:47:22,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1393 states to 1393 states and 1857 transitions. [2022-02-20 18:47:22,986 INFO L78 Accepts]: Start accepts. Automaton has 1393 states and 1857 transitions. Word has length 64 [2022-02-20 18:47:22,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 18:47:22,987 INFO L470 AbstractCegarLoop]: Abstraction has 1393 states and 1857 transitions. [2022-02-20 18:47:22,987 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 18:47:22,988 INFO L276 IsEmpty]: Start isEmpty. Operand 1393 states and 1857 transitions. [2022-02-20 18:47:22,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-02-20 18:47:22,990 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 18:47:22,990 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 18:47:22,990 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-20 18:47:22,991 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2022-02-20 18:47:22,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 18:47:22,991 INFO L85 PathProgramCache]: Analyzing trace with hash 1546123801, now seen corresponding path program 1 times [2022-02-20 18:47:22,991 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 18:47:22,992 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1933183713] [2022-02-20 18:47:22,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 18:47:22,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 18:47:23,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:47:23,175 INFO L290 TraceCheckUtils]: 0: Hoare triple {12707#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(63, 2);call #Ultimate.allocInit(12, 3);~__return_main~0 := 0;~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~alive1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~alive2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~alive3~0 := 0;~p4~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~send4~0 := 0;~mode4~0 := 0;~alive4~0 := 0;~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[0 := #funAddr~node1.base], ~nodes~0.offset[0 := #funAddr~node1.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[1 := #funAddr~node2.base], ~nodes~0.offset[1 := #funAddr~node2.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[2 := #funAddr~node3.base], ~nodes~0.offset[2 := #funAddr~node3.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[3 := #funAddr~node4.base], ~nodes~0.offset[3 := #funAddr~node4.offset];~__return_19080~0 := 0;~__return_22830~0 := 0;~__return_19254~0 := 0;~__return_19337~0 := 0;~__return_19754~0 := 0;~__return_20306~0 := 0;~__return_20551~0 := 0;~__return_21733~0 := 0;~__return_21990~0 := 0;~__return_22543~0 := 0;~__return_22792~0 := 0;~__return_19596~0 := 0;~__return_19829~0 := 0;~__return_20393~0 := 0;~__return_20629~0 := 0;~__return_21832~0 := 0;~__return_22068~0 := 0;~__return_22633~0 := 0;~__return_22752~0 := 0;~__return_22911~0 := 0;~__return_22878~0 := 0;~__return_22581~0 := 0;~__return_22492~0 := 0;~__return_22703~0 := 0;~__return_22670~0 := 0;~__return_23135~0 := 0;~__return_23104~0 := 0;~__return_23198~0 := 0;~__return_23165~0 := 0;~__return_22990~0 := 0;~__return_22959~0 := 0;~__return_23053~0 := 0;~__return_23020~0 := 0;~__return_22028~0 := 0;~__return_21951~0 := 0;~__return_22138~0 := 0;~__return_22105~0 := 0;~__return_21769~0 := 0;~__return_21668~0 := 0;~__return_21902~0 := 0;~__return_21869~0 := 0;~__return_22362~0 := 0;~__return_22331~0 := 0;~__return_22425~0 := 0;~__return_22392~0 := 0;~__return_22217~0 := 0;~__return_22186~0 := 0;~__return_22280~0 := 0;~__return_22247~0 := 0;~__return_23438~0 := 0;~__return_23407~0 := 0;~__return_23501~0 := 0;~__return_23468~0 := 0;~__return_23295~0 := 0;~__return_23264~0 := 0;~__return_23358~0 := 0;~__return_23325~0 := 0;~__return_23725~0 := 0;~__return_23694~0 := 0;~__return_23788~0 := 0;~__return_23755~0 := 0;~__return_23580~0 := 0;~__return_23549~0 := 0;~__return_23643~0 := 0;~__return_23610~0 := 0;~__return_20589~0 := 0;~__return_20512~0 := 0;~__return_20699~0 := 0;~__return_20666~0 := 0;~__return_20342~0 := 0;~__return_20253~0 := 0;~__return_20463~0 := 0;~__return_20430~0 := 0;~__return_20923~0 := 0;~__return_20892~0 := 0;~__return_20986~0 := 0;~__return_20953~0 := 0;~__return_20778~0 := 0;~__return_20747~0 := 0;~__return_20841~0 := 0;~__return_20808~0 := 0;~__return_19790~0 := 0;~__return_19713~0 := 0;~__return_19899~0 := 0;~__return_19866~0 := 0;~__return_19519~0 := 0;~__return_19179~0 := 0;~__return_19664~0 := 0;~__return_19631~0 := 0;~__return_20123~0 := 0;~__return_20092~0 := 0;~__return_20186~0 := 0;~__return_20153~0 := 0;~__return_19978~0 := 0;~__return_19947~0 := 0;~__return_20041~0 := 0;~__return_20008~0 := 0;~__return_21226~0 := 0;~__return_21195~0 := 0;~__return_21289~0 := 0;~__return_21256~0 := 0;~__return_21083~0 := 0;~__return_21052~0 := 0;~__return_21146~0 := 0;~__return_21113~0 := 0;~__return_21513~0 := 0;~__return_21482~0 := 0;~__return_21576~0 := 0;~__return_21543~0 := 0;~__return_21368~0 := 0;~__return_21337~0 := 0;~__return_21431~0 := 0;~__return_21398~0 := 0;~__return_24644~0 := 0;~__return_24613~0 := 0;~__return_24707~0 := 0;~__return_24674~0 := 0;~__return_24501~0 := 0;~__return_24470~0 := 0;~__return_24564~0 := 0;~__return_24531~0 := 0;~__return_24931~0 := 0;~__return_24900~0 := 0;~__return_24994~0 := 0;~__return_24961~0 := 0;~__return_24786~0 := 0;~__return_24755~0 := 0;~__return_24849~0 := 0;~__return_24816~0 := 0;~__return_24053~0 := 0;~__return_24022~0 := 0;~__return_24116~0 := 0;~__return_24083~0 := 0;~__return_23910~0 := 0;~__return_23879~0 := 0;~__return_23973~0 := 0;~__return_23940~0 := 0;~__return_24340~0 := 0;~__return_24309~0 := 0;~__return_24403~0 := 0;~__return_24370~0 := 0;~__return_24195~0 := 0;~__return_24164~0 := 0;~__return_24258~0 := 0;~__return_24225~0 := 0;~__return_25234~0 := 0;~__return_25203~0 := 0;~__return_25297~0 := 0;~__return_25264~0 := 0;~__return_25091~0 := 0;~__return_25060~0 := 0;~__return_25154~0 := 0;~__return_25121~0 := 0;~__return_25521~0 := 0;~__return_25490~0 := 0;~__return_25584~0 := 0;~__return_25551~0 := 0;~__return_25376~0 := 0;~__return_25345~0 := 0;~__return_25439~0 := 0;~__return_25406~0 := 0; {12707#true} is VALID [2022-02-20 18:47:23,175 INFO L290 TraceCheckUtils]: 1: Hoare triple {12707#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_~__tmp_3~0#1, main_~assert__arg~2#1, main_~check__tmp~2#1, main_~node4____CPAchecker_TMP_0~1#1, main_~node4____CPAchecker_TMP_1~0#1, main_~node4__m4~2#1, main_~node3____CPAchecker_TMP_0~1#1, main_~node3____CPAchecker_TMP_1~0#1, main_~node3__m3~2#1, main_~node2____CPAchecker_TMP_0~1#1, main_~node2____CPAchecker_TMP_1~0#1, main_~node2__m2~2#1, main_~node1____CPAchecker_TMP_0~1#1, main_~node1____CPAchecker_TMP_1~0#1, main_~node1__m1~2#1, main_~__tmp_2~0#1, main_~assert__arg~1#1, main_~check__tmp~1#1, main_~__tmp_4~0#1, main_~assert__arg~3#1, main_~check__tmp~3#1, main_~node4__m4~1#1, main_~__tmp_5~0#1, main_~assert__arg~4#1, main_~check__tmp~4#1, main_~__tmp_6~0#1, main_~assert__arg~5#1, main_~check__tmp~5#1, main_~node4__m4~3#1, main_~node3__m3~1#1, main_~__tmp_7~0#1, main_~assert__arg~6#1, main_~check__tmp~6#1, main_~__tmp_8~0#1, main_~assert__arg~7#1, main_~check__tmp~7#1, main_~node4__m4~4#1, main_~__tmp_9~0#1, main_~assert__arg~8#1, main_~check__tmp~8#1, main_~check__tmp~9#1, main_~node4__m4~5#1, main_~node3__m3~3#1, main_~node2__m2~1#1, main_~__tmp_10~0#1, main_~assert__arg~9#1, main_~check__tmp~10#1, main_~__tmp_11~0#1, main_~assert__arg~10#1, main_~check__tmp~11#1, main_~node4__m4~6#1, main_~__tmp_12~0#1, main_~assert__arg~11#1, main_~check__tmp~12#1, main_~check__tmp~13#1, main_~node4__m4~7#1, main_~node3__m3~4#1, main_~__tmp_13~0#1, main_~assert__arg~12#1, main_~check__tmp~14#1, main_~check__tmp~15#1, main_~node4__m4~8#1, main_~check__tmp~16#1, main_~node4__m4~9#1, main_~node3__m3~5#1, main_~node2__m2~3#1, main_~node1__m1~1#1, main_~__tmp_1~0#1, main_~assert__arg~0#1, main_~check__tmp~0#1, main_~__tmp_14~0#1, main_~assert__arg~13#1, main_~check__tmp~17#1, main_~node4____CPAchecker_TMP_0~0#1, main_~__tmp_15~0#1, main_~assert__arg~14#1, main_~check__tmp~18#1, main_~node4____CPAchecker_TMP_1~1#1, main_~__tmp_16~0#1, main_~assert__arg~15#1, main_~check__tmp~19#1, main_~node4__m4~0#1, main_~__tmp_17~0#1, main_~assert__arg~16#1, main_~check__tmp~20#1, main_~__tmp_18~0#1, main_~assert__arg~17#1, main_~check__tmp~21#1, main_~node4____CPAchecker_TMP_0~2#1, main_~__tmp_19~0#1, main_~assert__arg~18#1, main_~check__tmp~22#1, main_~node4____CPAchecker_TMP_1~2#1, main_~__tmp_20~0#1, main_~assert__arg~19#1, main_~check__tmp~23#1, main_~node4__m4~10#1, main_~node3____CPAchecker_TMP_0~0#1, main_~__tmp_21~0#1, main_~assert__arg~20#1, main_~check__tmp~24#1, main_~__tmp_22~0#1, main_~assert__arg~21#1, main_~check__tmp~25#1, main_~node4____CPAchecker_TMP_0~3#1, main_~__tmp_23~0#1, main_~assert__arg~22#1, main_~check__tmp~26#1, main_~node4____CPAchecker_TMP_1~3#1, main_~__tmp_24~0#1, main_~assert__arg~23#1, main_~check__tmp~27#1, main_~node4__m4~11#1, main_~node3____CPAchecker_TMP_1~1#1, main_~__tmp_25~0#1, main_~assert__arg~24#1, main_~check__tmp~28#1, main_~__tmp_26~0#1, main_~assert__arg~25#1, main_~check__tmp~29#1, main_~node4____CPAchecker_TMP_0~4#1, main_~__tmp_27~0#1, main_~assert__arg~26#1, main_~check__tmp~30#1, main_~node4____CPAchecker_TMP_1~4#1, main_~__tmp_28~0#1, main_~assert__arg~27#1, main_~check__tmp~31#1, main_~node4__m4~12#1, main_~node3__m3~0#1, main_~__tmp_29~0#1, main_~assert__arg~28#1, main_~check__tmp~32#1, main_~__tmp_30~0#1, main_~assert__arg~29#1, main_~check__tmp~33#1, main_~node4____CPAchecker_TMP_0~5#1, main_~__tmp_31~0#1, main_~assert__arg~30#1, main_~check__tmp~34#1, main_~node4____CPAchecker_TMP_1~5#1, main_~__tmp_32~0#1, main_~assert__arg~31#1, main_~check__tmp~35#1, main_~node4__m4~13#1, main_~__tmp_33~0#1, main_~assert__arg~32#1, main_~check__tmp~36#1, main_~__tmp_34~0#1, main_~assert__arg~33#1, main_~check__tmp~37#1, main_~node4____CPAchecker_TMP_0~6#1, main_~__tmp_35~0#1, main_~assert__arg~34#1, main_~check__tmp~38#1, main_~node4____CPAchecker_TMP_1~6#1, main_~__tmp_36~0#1, main_~assert__arg~35#1, main_~check__tmp~39#1, main_~node4__m4~14#1, main_~node3____CPAchecker_TMP_0~2#1, main_~__tmp_37~0#1, main_~assert__arg~36#1, main_~check__tmp~40#1, main_~__tmp_38~0#1, main_~assert__arg~37#1, main_~check__tmp~41#1, main_~node4____CPAchecker_TMP_0~7#1, main_~__tmp_39~0#1, main_~assert__arg~38#1, main_~check__tmp~42#1, main_~node4____CPAchecker_TMP_1~7#1, main_~__tmp_40~0#1, main_~assert__arg~39#1, main_~check__tmp~43#1, main_~node4__m4~15#1, main_~node3____CPAchecker_TMP_1~2#1, main_~__tmp_41~0#1, main_~assert__arg~40#1, main_~check__tmp~44#1, main_~__tmp_42~0#1, main_~assert__arg~41#1, main_~check__tmp~45#1, main_~node4____CPAchecker_TMP_0~8#1, main_~__tmp_43~0#1, main_~assert__arg~42#1, main_~check__tmp~46#1, main_~node4____CPAchecker_TMP_1~8#1, main_~__tmp_44~0#1, main_~assert__arg~43#1, main_~check__tmp~47#1, main_~node4__m4~16#1, main_~node3__m3~6#1, main_~node2____CPAchecker_TMP_0~0#1, main_~__tmp_45~0#1, main_~assert__arg~44#1, main_~check__tmp~48#1, main_~__tmp_46~0#1, main_~assert__arg~45#1, main_~check__tmp~49#1, main_~node4____CPAchecker_TMP_0~9#1, main_~__tmp_47~0#1, main_~assert__arg~46#1, main_~check__tmp~50#1, main_~node4____CPAchecker_TMP_1~9#1, main_~__tmp_48~0#1, main_~assert__arg~47#1, main_~check__tmp~51#1, main_~node4__m4~17#1, main_~__tmp_49~0#1, main_~assert__arg~48#1, main_~check__tmp~52#1, main_~__tmp_50~0#1, main_~assert__arg~49#1, main_~check__tmp~53#1, main_~node4____CPAchecker_TMP_0~10#1, main_~__tmp_51~0#1, main_~assert__arg~50#1, main_~check__tmp~54#1, main_~node4____CPAchecker_TMP_1~10#1, main_~__tmp_52~0#1, main_~assert__arg~51#1, main_~check__tmp~55#1, main_~node4__m4~18#1, main_~node3____CPAchecker_TMP_0~3#1, main_~__tmp_53~0#1, main_~assert__arg~52#1, main_~check__tmp~56#1, main_~__tmp_54~0#1, main_~assert__arg~53#1, main_~check__tmp~57#1, main_~node4____CPAchecker_TMP_0~11#1, main_~__tmp_55~0#1, main_~assert__arg~54#1, main_~check__tmp~58#1, main_~node4____CPAchecker_TMP_1~11#1, main_~__tmp_56~0#1, main_~assert__arg~55#1, main_~check__tmp~59#1, main_~node4__m4~19#1, main_~node3____CPAchecker_TMP_1~3#1, main_~__tmp_57~0#1, main_~assert__arg~56#1, main_~check__tmp~60#1, main_~__tmp_58~0#1, main_~assert__arg~57#1, main_~check__tmp~61#1, main_~node4____CPAchecker_TMP_0~12#1, main_~__tmp_59~0#1, main_~assert__arg~58#1, main_~check__tmp~62#1, main_~node4____CPAchecker_TMP_1~12#1, main_~__tmp_60~0#1, main_~assert__arg~59#1, main_~check__tmp~63#1, main_~node4__m4~20#1, main_~node3__m3~7#1, main_~node2____CPAchecker_TMP_1~1#1, main_~node2__m2~0#1, main_~__tmp_61~0#1, main_~assert__arg~60#1, main_~check__tmp~64#1, main_~__tmp_62~0#1, main_~assert__arg~61#1, main_~check__tmp~65#1, main_~node4____CPAchecker_TMP_0~13#1, main_~__tmp_63~0#1, main_~assert__arg~62#1, main_~check__tmp~66#1, main_~node4____CPAchecker_TMP_1~13#1, main_~__tmp_64~0#1, main_~assert__arg~63#1, main_~check__tmp~67#1, main_~node4__m4~21#1, main_~__tmp_65~0#1, main_~assert__arg~64#1, main_~check__tmp~68#1, main_~__tmp_66~0#1, main_~assert__arg~65#1, main_~check__tmp~69#1, main_~node4____CPAchecker_TMP_0~14#1, main_~__tmp_67~0#1, main_~assert__arg~66#1, main_~check__tmp~70#1, main_~node4____CPAchecker_TMP_1~14#1, main_~__tmp_68~0#1, main_~assert__arg~67#1, main_~check__tmp~71#1, main_~node4__m4~22#1, main_~node3____CPAchecker_TMP_0~4#1, main_~__tmp_69~0#1, main_~assert__arg~68#1, main_~check__tmp~72#1, main_~__tmp_70~0#1, main_~assert__arg~69#1, main_~check__tmp~73#1, main_~node4____CPAchecker_TMP_0~15#1, main_~__tmp_71~0#1, main_~assert__arg~70#1, main_~check__tmp~74#1, main_~node4____CPAchecker_TMP_1~15#1, main_~__tmp_72~0#1, main_~assert__arg~71#1, main_~check__tmp~75#1, main_~node4__m4~23#1, main_~node3____CPAchecker_TMP_1~4#1, main_~__tmp_73~0#1, main_~assert__arg~72#1, main_~check__tmp~76#1, main_~__tmp_74~0#1, main_~assert__arg~73#1, main_~check__tmp~77#1, main_~node4____CPAchecker_TMP_0~16#1, main_~__tmp_75~0#1, main_~assert__arg~74#1, main_~check__tmp~78#1, main_~node4____CPAchecker_TMP_1~16#1, main_~__tmp_76~0#1, main_~assert__arg~75#1, main_~check__tmp~79#1, main_~node4__m4~24#1, main_~node3__m3~8#1, main_~__tmp_77~0#1, main_~assert__arg~76#1, main_~check__tmp~80#1, main_~__tmp_78~0#1, main_~assert__arg~77#1, main_~check__tmp~81#1, main_~node4____CPAchecker_TMP_0~17#1, main_~__tmp_79~0#1, main_~assert__arg~78#1, main_~check__tmp~82#1, main_~node4____CPAchecker_TMP_1~17#1, main_~__tmp_80~0#1, main_~assert__arg~79#1, main_~check__tmp~83#1, main_~node4__m4~25#1, main_~__tmp_81~0#1, main_~assert__arg~80#1, main_~check__tmp~84#1, main_~__tmp_82~0#1, main_~assert__arg~81#1, main_~check__tmp~85#1, main_~node4____CPAchecker_TMP_0~18#1, main_~__tmp_83~0#1, main_~assert__arg~82#1, main_~check__tmp~86#1, main_~node4____CPAchecker_TMP_1~18#1, main_~__tmp_84~0#1, main_~assert__arg~83#1, main_~check__tmp~87#1, main_~node4__m4~26#1, main_~node3____CPAchecker_TMP_0~5#1, 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main_~assert__arg~113#1, main_~check__tmp~117#1, main_~node4____CPAchecker_TMP_0~26#1, main_~__tmp_115~0#1, main_~assert__arg~114#1, main_~check__tmp~118#1, main_~node4____CPAchecker_TMP_1~26#1, main_~__tmp_116~0#1, main_~assert__arg~115#1, main_~check__tmp~119#1, main_~node4__m4~34#1, main_~node3____CPAchecker_TMP_0~7#1, main_~__tmp_117~0#1, main_~assert__arg~116#1, main_~check__tmp~120#1, main_~__tmp_118~0#1, main_~assert__arg~117#1, main_~check__tmp~121#1, main_~node4____CPAchecker_TMP_0~27#1, main_~__tmp_119~0#1, main_~assert__arg~118#1, main_~check__tmp~122#1, main_~node4____CPAchecker_TMP_1~27#1, main_~__tmp_120~0#1, main_~assert__arg~119#1, main_~check__tmp~123#1, main_~node4__m4~35#1, main_~node3____CPAchecker_TMP_1~7#1, main_~__tmp_121~0#1, main_~assert__arg~120#1, main_~check__tmp~124#1, main_~__tmp_122~0#1, main_~assert__arg~121#1, main_~check__tmp~125#1, main_~node4____CPAchecker_TMP_0~28#1, main_~__tmp_123~0#1, main_~assert__arg~122#1, main_~check__tmp~126#1, main_~node4____CPAchecker_TMP_1~28#1, main_~__tmp_124~0#1, main_~assert__arg~123#1, main_~check__tmp~127#1, main_~node4__m4~36#1, main_~node3__m3~11#1, main_~__tmp_125~0#1, main_~assert__arg~124#1, main_~check__tmp~128#1, main_~__tmp_126~0#1, main_~assert__arg~125#1, main_~check__tmp~129#1, main_~node4____CPAchecker_TMP_0~29#1, main_~__tmp_127~0#1, main_~assert__arg~126#1, main_~check__tmp~130#1, main_~node4____CPAchecker_TMP_1~29#1, main_~__tmp_128~0#1, main_~assert__arg~127#1, main_~check__tmp~131#1, main_~node4__m4~37#1, main_~__tmp_129~0#1, main_~assert__arg~128#1, main_~check__tmp~132#1, main_~__tmp_130~0#1, main_~assert__arg~129#1, main_~check__tmp~133#1, main_~node4____CPAchecker_TMP_0~30#1, main_~__tmp_131~0#1, main_~assert__arg~130#1, main_~check__tmp~134#1, main_~node4____CPAchecker_TMP_1~30#1, main_~__tmp_132~0#1, main_~assert__arg~131#1, main_~check__tmp~135#1, main_~node4__m4~38#1, main_~node3____CPAchecker_TMP_0~8#1, main_~__tmp_133~0#1, main_~assert__arg~132#1, main_~check__tmp~136#1, main_~__tmp_134~0#1, main_~assert__arg~133#1, main_~check__tmp~137#1, main_~node4____CPAchecker_TMP_0~31#1, main_~__tmp_135~0#1, main_~assert__arg~134#1, main_~check__tmp~138#1, main_~node4____CPAchecker_TMP_1~31#1, main_~__tmp_136~0#1, main_~assert__arg~135#1, main_~check__tmp~139#1, main_~node4__m4~39#1, main_~node3____CPAchecker_TMP_1~8#1, main_~__tmp_137~0#1, main_~assert__arg~136#1, main_~check__tmp~140#1, main_~__tmp_138~0#1, main_~assert__arg~137#1, main_~check__tmp~141#1, main_~node4____CPAchecker_TMP_0~32#1, main_~__tmp_139~0#1, main_~assert__arg~138#1, main_~check__tmp~142#1, main_~node4____CPAchecker_TMP_1~32#1, main_~__tmp_140~0#1, main_~assert__arg~139#1, main_~check__tmp~143#1, main_~node4__m4~40#1, main_~node3__m3~12#1, main_~node2____CPAchecker_TMP_0~3#1, main_~__tmp_141~0#1, main_~assert__arg~140#1, main_~check__tmp~144#1, main_~__tmp_142~0#1, main_~assert__arg~141#1, main_~check__tmp~145#1, main_~node4____CPAchecker_TMP_0~33#1, main_~__tmp_143~0#1, main_~assert__arg~142#1, main_~check__tmp~146#1, main_~node4____CPAchecker_TMP_1~33#1, main_~__tmp_144~0#1, main_~assert__arg~143#1, main_~check__tmp~147#1, main_~node4__m4~41#1, main_~__tmp_145~0#1, main_~assert__arg~144#1, main_~check__tmp~148#1, main_~__tmp_146~0#1, main_~assert__arg~145#1, main_~check__tmp~149#1, main_~node4____CPAchecker_TMP_0~34#1, main_~__tmp_147~0#1, main_~assert__arg~146#1, main_~check__tmp~150#1, main_~node4____CPAchecker_TMP_1~34#1, main_~__tmp_148~0#1, main_~assert__arg~147#1, main_~check__tmp~151#1, main_~node4__m4~42#1, main_~node3____CPAchecker_TMP_0~9#1, main_~__tmp_149~0#1, main_~assert__arg~148#1, main_~check__tmp~152#1, main_~__tmp_150~0#1, main_~assert__arg~149#1, main_~check__tmp~153#1, main_~node4____CPAchecker_TMP_0~35#1, main_~__tmp_151~0#1, main_~assert__arg~150#1, main_~check__tmp~154#1, main_~node4____CPAchecker_TMP_1~35#1, main_~__tmp_152~0#1, main_~assert__arg~151#1, main_~check__tmp~155#1, main_~node4__m4~43#1, main_~node3____CPAchecker_TMP_1~9#1, main_~__tmp_153~0#1, main_~assert__arg~152#1, main_~check__tmp~156#1, main_~__tmp_154~0#1, main_~assert__arg~153#1, main_~check__tmp~157#1, main_~node4____CPAchecker_TMP_0~36#1, main_~__tmp_155~0#1, main_~assert__arg~154#1, main_~check__tmp~158#1, main_~node4____CPAchecker_TMP_1~36#1, main_~__tmp_156~0#1, main_~assert__arg~155#1, main_~check__tmp~159#1, main_~node4__m4~44#1, main_~node3__m3~13#1, main_~node2____CPAchecker_TMP_1~3#1, main_~node2__m2~5#1, main_~node1____CPAchecker_TMP_1~1#1, main_~node1__m1~0#1, main_~init__tmp~0#1, main_~main__c1~0#1, main_~main__i2~0#1;havoc main_~main__c1~0#1;havoc main_~main__i2~0#1;main_~main__c1~0#1 := 0;~r1~0 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -128 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 127;~id1~0 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -128 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 127;~st1~0 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -128 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 127;~send1~0 := main_#t~nondet7#1;havoc main_#t~nondet7#1;~mode1~0 := main_#t~nondet8#1;havoc main_#t~nondet8#1;~alive1~0 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -128 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 127;~id2~0 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -128 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 127;~st2~0 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -128 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 127;~send2~0 := main_#t~nondet12#1;havoc main_#t~nondet12#1;~mode2~0 := main_#t~nondet13#1;havoc main_#t~nondet13#1;~alive2~0 := main_#t~nondet14#1;havoc main_#t~nondet14#1;assume -128 <= main_#t~nondet15#1 && main_#t~nondet15#1 <= 127;~id3~0 := main_#t~nondet15#1;havoc main_#t~nondet15#1;assume -128 <= main_#t~nondet16#1 && main_#t~nondet16#1 <= 127;~st3~0 := main_#t~nondet16#1;havoc main_#t~nondet16#1;assume -128 <= main_#t~nondet17#1 && main_#t~nondet17#1 <= 127;~send3~0 := main_#t~nondet17#1;havoc main_#t~nondet17#1;~mode3~0 := main_#t~nondet18#1;havoc main_#t~nondet18#1;~alive3~0 := main_#t~nondet19#1;havoc main_#t~nondet19#1;assume -128 <= main_#t~nondet20#1 && main_#t~nondet20#1 <= 127;~id4~0 := main_#t~nondet20#1;havoc main_#t~nondet20#1;assume -128 <= main_#t~nondet21#1 && main_#t~nondet21#1 <= 127;~st4~0 := main_#t~nondet21#1;havoc main_#t~nondet21#1;assume -128 <= main_#t~nondet22#1 && main_#t~nondet22#1 <= 127;~send4~0 := main_#t~nondet22#1;havoc main_#t~nondet22#1;~mode4~0 := main_#t~nondet23#1;havoc main_#t~nondet23#1;~alive4~0 := main_#t~nondet24#1;havoc main_#t~nondet24#1;havoc main_~init__tmp~0#1; {12707#true} is VALID [2022-02-20 18:47:23,176 INFO L290 TraceCheckUtils]: 2: Hoare triple {12707#true} assume 0 == ~r1~0 % 256; {12707#true} is VALID [2022-02-20 18:47:23,176 INFO L290 TraceCheckUtils]: 3: Hoare triple {12707#true} assume ~alive1~0 % 256 + ~alive2~0 % 256 + ~alive3~0 % 256 + ~alive4~0 % 256 >= 1; {12707#true} is VALID [2022-02-20 18:47:23,176 INFO L290 TraceCheckUtils]: 4: Hoare triple {12707#true} assume ~id1~0 >= 0; {12707#true} is VALID [2022-02-20 18:47:23,176 INFO L290 TraceCheckUtils]: 5: Hoare triple {12707#true} assume 0 == ~st1~0; {12707#true} is VALID [2022-02-20 18:47:23,177 INFO L290 TraceCheckUtils]: 6: Hoare triple {12707#true} assume ~send1~0 == ~id1~0; {12707#true} is VALID [2022-02-20 18:47:23,177 INFO L290 TraceCheckUtils]: 7: Hoare triple {12707#true} assume 0 == ~mode1~0 % 256; {12707#true} is VALID [2022-02-20 18:47:23,177 INFO L290 TraceCheckUtils]: 8: Hoare triple {12707#true} assume ~id2~0 >= 0; {12707#true} is VALID [2022-02-20 18:47:23,178 INFO L290 TraceCheckUtils]: 9: Hoare triple {12707#true} assume 0 == ~st2~0; {12707#true} is VALID [2022-02-20 18:47:23,178 INFO L290 TraceCheckUtils]: 10: Hoare triple {12707#true} assume ~send2~0 == ~id2~0; {12707#true} is VALID [2022-02-20 18:47:23,178 INFO L290 TraceCheckUtils]: 11: Hoare triple {12707#true} assume 0 == ~mode2~0 % 256; {12707#true} is VALID [2022-02-20 18:47:23,178 INFO L290 TraceCheckUtils]: 12: Hoare triple {12707#true} assume ~id3~0 >= 0; {12707#true} is VALID [2022-02-20 18:47:23,179 INFO L290 TraceCheckUtils]: 13: Hoare triple {12707#true} assume 0 == ~st3~0; {12707#true} is VALID [2022-02-20 18:47:23,179 INFO L290 TraceCheckUtils]: 14: Hoare triple {12707#true} assume ~send3~0 == ~id3~0; {12707#true} is VALID [2022-02-20 18:47:23,179 INFO L290 TraceCheckUtils]: 15: Hoare triple {12707#true} assume 0 == ~mode3~0 % 256; {12707#true} is VALID [2022-02-20 18:47:23,179 INFO L290 TraceCheckUtils]: 16: Hoare triple {12707#true} assume ~id4~0 >= 0; {12707#true} is VALID [2022-02-20 18:47:23,180 INFO L290 TraceCheckUtils]: 17: Hoare triple {12707#true} assume 0 == ~st4~0; {12707#true} is VALID [2022-02-20 18:47:23,180 INFO L290 TraceCheckUtils]: 18: Hoare triple {12707#true} assume ~send4~0 == ~id4~0; {12707#true} is VALID [2022-02-20 18:47:23,180 INFO L290 TraceCheckUtils]: 19: Hoare triple {12707#true} assume 0 == ~mode4~0 % 256; {12707#true} is VALID [2022-02-20 18:47:23,183 INFO L290 TraceCheckUtils]: 20: Hoare triple {12707#true} assume ~id1~0 != ~id2~0; {12707#true} is VALID [2022-02-20 18:47:23,188 INFO L290 TraceCheckUtils]: 21: Hoare triple {12707#true} assume ~id1~0 != ~id3~0; {12707#true} is VALID [2022-02-20 18:47:23,189 INFO L290 TraceCheckUtils]: 22: Hoare triple {12707#true} assume ~id1~0 != ~id4~0; {12707#true} is VALID [2022-02-20 18:47:23,189 INFO L290 TraceCheckUtils]: 23: Hoare triple {12707#true} assume ~id2~0 != ~id3~0; {12707#true} is VALID [2022-02-20 18:47:23,189 INFO L290 TraceCheckUtils]: 24: Hoare triple {12707#true} assume ~id2~0 != ~id4~0; {12707#true} is VALID [2022-02-20 18:47:23,189 INFO L290 TraceCheckUtils]: 25: Hoare triple {12707#true} assume ~id3~0 != ~id4~0;main_~init__tmp~0#1 := 1;~__return_19080~0 := main_~init__tmp~0#1;main_~main__i2~0#1 := ~__return_19080~0; {12707#true} is VALID [2022-02-20 18:47:23,190 INFO L290 TraceCheckUtils]: 26: Hoare triple {12707#true} assume 0 != main_~main__i2~0#1;~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~nomsg~0;~p4_new~0 := ~nomsg~0;main_~main__i2~0#1 := 0;havoc main_~node1__m1~0#1;main_~node1__m1~0#1 := ~nomsg~0; {12707#true} is VALID [2022-02-20 18:47:23,190 INFO L290 TraceCheckUtils]: 27: Hoare triple {12707#true} assume !!(0 == ~mode1~0 % 256); {12707#true} is VALID [2022-02-20 18:47:23,191 INFO L290 TraceCheckUtils]: 28: Hoare triple {12707#true} assume !!(0 == ~alive1~0 % 256); {12707#true} is VALID [2022-02-20 18:47:23,191 INFO L290 TraceCheckUtils]: 29: Hoare triple {12707#true} assume !(~send1~0 != ~id1~0); {12707#true} is VALID [2022-02-20 18:47:23,191 INFO L290 TraceCheckUtils]: 30: Hoare triple {12707#true} ~mode1~0 := 1;havoc main_~node2__m2~5#1;main_~node2__m2~5#1 := ~nomsg~0; {12707#true} is VALID [2022-02-20 18:47:23,191 INFO L290 TraceCheckUtils]: 31: Hoare triple {12707#true} assume !!(0 == ~mode2~0 % 256); {12707#true} is VALID [2022-02-20 18:47:23,192 INFO L290 TraceCheckUtils]: 32: Hoare triple {12707#true} assume !(0 == ~alive2~0 % 256);havoc main_~node2____CPAchecker_TMP_0~3#1; {12707#true} is VALID [2022-02-20 18:47:23,192 INFO L290 TraceCheckUtils]: 33: Hoare triple {12707#true} assume !(~send2~0 != ~nomsg~0);main_~node2____CPAchecker_TMP_0~3#1 := ~p2_new~0;~p2_new~0 := (if main_~node2____CPAchecker_TMP_0~3#1 % 256 <= 127 then main_~node2____CPAchecker_TMP_0~3#1 % 256 else main_~node2____CPAchecker_TMP_0~3#1 % 256 - 256);~mode2~0 := 1;havoc main_~node3__m3~12#1;main_~node3__m3~12#1 := ~nomsg~0; {12707#true} is VALID [2022-02-20 18:47:23,192 INFO L290 TraceCheckUtils]: 34: Hoare triple {12707#true} assume !!(0 == ~mode3~0 % 256); {12707#true} is VALID [2022-02-20 18:47:23,192 INFO L290 TraceCheckUtils]: 35: Hoare triple {12707#true} assume !!(0 == ~alive3~0 % 256); {12707#true} is VALID [2022-02-20 18:47:23,193 INFO L290 TraceCheckUtils]: 36: Hoare triple {12707#true} assume !(~send3~0 != ~id3~0);~mode3~0 := 1;havoc main_~node4__m4~40#1;main_~node4__m4~40#1 := ~nomsg~0; {12707#true} is VALID [2022-02-20 18:47:23,193 INFO L290 TraceCheckUtils]: 37: Hoare triple {12707#true} assume !!(0 == ~mode4~0 % 256); {12707#true} is VALID [2022-02-20 18:47:23,194 INFO L290 TraceCheckUtils]: 38: Hoare triple {12707#true} assume !!(0 == ~alive4~0 % 256); {12709#(= 0 (+ (* (- 256) (div ~alive4~0 256)) ~alive4~0))} is VALID [2022-02-20 18:47:23,194 INFO L290 TraceCheckUtils]: 39: Hoare triple {12709#(= 0 (+ (* (- 256) (div ~alive4~0 256)) ~alive4~0))} assume !(~send4~0 != ~id4~0);~mode4~0 := 1;~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;havoc main_~check__tmp~143#1; {12709#(= 0 (+ (* (- 256) (div ~alive4~0 256)) ~alive4~0))} is VALID [2022-02-20 18:47:23,207 INFO L290 TraceCheckUtils]: 40: Hoare triple {12709#(= 0 (+ (* (- 256) (div ~alive4~0 256)) ~alive4~0))} assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 <= 1; {12709#(= 0 (+ (* (- 256) (div ~alive4~0 256)) ~alive4~0))} is VALID [2022-02-20 18:47:23,208 INFO L290 TraceCheckUtils]: 41: Hoare triple {12709#(= 0 (+ (* (- 256) (div ~alive4~0 256)) ~alive4~0))} assume ~r1~0 % 256 < 4;main_~check__tmp~143#1 := 1;~__return_24225~0 := main_~check__tmp~143#1;main_~main__c1~0#1 := ~__return_24225~0;havoc main_~__tmp_140~0#1;main_~__tmp_140~0#1 := (if 0 == main_~main__c1~0#1 then 0 else 1);havoc main_~assert__arg~139#1;main_~assert__arg~139#1 := main_~__tmp_140~0#1; {12709#(= 0 (+ (* (- 256) (div ~alive4~0 256)) ~alive4~0))} is VALID [2022-02-20 18:47:23,209 INFO L290 TraceCheckUtils]: 42: Hoare triple {12709#(= 0 (+ (* (- 256) (div ~alive4~0 256)) ~alive4~0))} assume !(0 == main_~assert__arg~139#1 % 256); {12709#(= 0 (+ (* (- 256) (div ~alive4~0 256)) ~alive4~0))} is VALID [2022-02-20 18:47:23,210 INFO L290 TraceCheckUtils]: 43: Hoare triple {12709#(= 0 (+ (* (- 256) (div ~alive4~0 256)) ~alive4~0))} havoc main_~node1__m1~1#1;main_~node1__m1~1#1 := ~nomsg~0; {12709#(= 0 (+ (* (- 256) (div ~alive4~0 256)) ~alive4~0))} is VALID [2022-02-20 18:47:23,210 INFO L290 TraceCheckUtils]: 44: Hoare triple {12709#(= 0 (+ (* (- 256) (div ~alive4~0 256)) ~alive4~0))} assume !(0 == ~mode1~0 % 256); {12709#(= 0 (+ (* (- 256) (div ~alive4~0 256)) ~alive4~0))} is VALID [2022-02-20 18:47:23,211 INFO L290 TraceCheckUtils]: 45: Hoare triple {12709#(= 0 (+ (* (- 256) (div ~alive4~0 256)) ~alive4~0))} assume !(255 == ~r1~0 % 256);~r1~0 := 1 + ~r1~0 % 256;main_~node1__m1~1#1 := ~p4_old~0;~p4_old~0 := ~nomsg~0; {12709#(= 0 (+ (* (- 256) (div ~alive4~0 256)) ~alive4~0))} is VALID [2022-02-20 18:47:23,211 INFO L290 TraceCheckUtils]: 46: Hoare triple {12709#(= 0 (+ (* (- 256) (div ~alive4~0 256)) ~alive4~0))} assume !(main_~node1__m1~1#1 != ~nomsg~0);~mode1~0 := 0; {12709#(= 0 (+ (* (- 256) (div ~alive4~0 256)) ~alive4~0))} is VALID [2022-02-20 18:47:23,212 INFO L290 TraceCheckUtils]: 47: Hoare triple {12709#(= 0 (+ (* (- 256) (div ~alive4~0 256)) ~alive4~0))} havoc main_~node2__m2~1#1;main_~node2__m2~1#1 := ~nomsg~0; {12709#(= 0 (+ (* (- 256) (div ~alive4~0 256)) ~alive4~0))} is VALID [2022-02-20 18:47:23,212 INFO L290 TraceCheckUtils]: 48: Hoare triple {12709#(= 0 (+ (* (- 256) (div ~alive4~0 256)) ~alive4~0))} assume !(0 == ~mode2~0 % 256);main_~node2__m2~1#1 := ~p1_old~0;~p1_old~0 := ~nomsg~0; {12709#(= 0 (+ (* (- 256) (div ~alive4~0 256)) ~alive4~0))} is VALID [2022-02-20 18:47:23,214 INFO L290 TraceCheckUtils]: 49: Hoare triple {12709#(= 0 (+ (* (- 256) (div ~alive4~0 256)) ~alive4~0))} assume main_~node2__m2~1#1 != ~nomsg~0; {12709#(= 0 (+ (* (- 256) (div ~alive4~0 256)) ~alive4~0))} is VALID [2022-02-20 18:47:23,215 INFO L290 TraceCheckUtils]: 50: Hoare triple {12709#(= 0 (+ (* (- 256) (div ~alive4~0 256)) ~alive4~0))} assume !(0 == ~alive2~0 % 256); {12709#(= 0 (+ (* (- 256) (div ~alive4~0 256)) ~alive4~0))} is VALID [2022-02-20 18:47:23,215 INFO L290 TraceCheckUtils]: 51: Hoare triple {12709#(= 0 (+ (* (- 256) (div ~alive4~0 256)) ~alive4~0))} assume !(main_~node2__m2~1#1 > ~id2~0); {12709#(= 0 (+ (* (- 256) (div ~alive4~0 256)) ~alive4~0))} is VALID [2022-02-20 18:47:23,217 INFO L290 TraceCheckUtils]: 52: Hoare triple {12709#(= 0 (+ (* (- 256) (div ~alive4~0 256)) ~alive4~0))} assume main_~node2__m2~1#1 == ~id2~0;~st2~0 := 1;~mode2~0 := 0;havoc main_~node3__m3~3#1;main_~node3__m3~3#1 := ~nomsg~0; {12709#(= 0 (+ (* (- 256) (div ~alive4~0 256)) ~alive4~0))} is VALID [2022-02-20 18:47:23,218 INFO L290 TraceCheckUtils]: 53: Hoare triple {12709#(= 0 (+ (* (- 256) (div ~alive4~0 256)) ~alive4~0))} assume !(0 == ~mode3~0 % 256);main_~node3__m3~3#1 := ~p2_old~0;~p2_old~0 := ~nomsg~0; {12709#(= 0 (+ (* (- 256) (div ~alive4~0 256)) ~alive4~0))} is VALID [2022-02-20 18:47:23,247 INFO L290 TraceCheckUtils]: 54: Hoare triple {12709#(= 0 (+ (* (- 256) (div ~alive4~0 256)) ~alive4~0))} assume !(main_~node3__m3~3#1 != ~nomsg~0);~mode3~0 := 0; {12709#(= 0 (+ (* (- 256) (div ~alive4~0 256)) ~alive4~0))} is VALID [2022-02-20 18:47:23,250 INFO L290 TraceCheckUtils]: 55: Hoare triple {12709#(= 0 (+ (* (- 256) (div ~alive4~0 256)) ~alive4~0))} havoc main_~node4__m4~4#1;main_~node4__m4~4#1 := ~nomsg~0; {12709#(= 0 (+ (* (- 256) (div ~alive4~0 256)) ~alive4~0))} is VALID [2022-02-20 18:47:23,252 INFO L290 TraceCheckUtils]: 56: Hoare triple {12709#(= 0 (+ (* (- 256) (div ~alive4~0 256)) ~alive4~0))} assume !(0 == ~mode4~0 % 256);main_~node4__m4~4#1 := ~p3_old~0;~p3_old~0 := ~nomsg~0; {12709#(= 0 (+ (* (- 256) (div ~alive4~0 256)) ~alive4~0))} is VALID [2022-02-20 18:47:23,263 INFO L290 TraceCheckUtils]: 57: Hoare triple {12709#(= 0 (+ (* (- 256) (div ~alive4~0 256)) ~alive4~0))} assume main_~node4__m4~4#1 != ~nomsg~0; {12709#(= 0 (+ (* (- 256) (div ~alive4~0 256)) ~alive4~0))} is VALID [2022-02-20 18:47:23,264 INFO L290 TraceCheckUtils]: 58: Hoare triple {12709#(= 0 (+ (* (- 256) (div ~alive4~0 256)) ~alive4~0))} assume !(0 == ~alive4~0 % 256); {12708#false} is VALID [2022-02-20 18:47:23,265 INFO L290 TraceCheckUtils]: 59: Hoare triple {12708#false} assume !(main_~node4__m4~4#1 > ~id4~0); {12708#false} is VALID [2022-02-20 18:47:23,265 INFO L290 TraceCheckUtils]: 60: Hoare triple {12708#false} assume main_~node4__m4~4#1 == ~id4~0;~st4~0 := 1;~mode4~0 := 0;~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;havoc main_~check__tmp~7#1; {12708#false} is VALID [2022-02-20 18:47:23,265 INFO L290 TraceCheckUtils]: 61: Hoare triple {12708#false} assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 <= 1);main_~check__tmp~7#1 := 0;~__return_21990~0 := main_~check__tmp~7#1;main_~main__c1~0#1 := ~__return_21990~0;havoc main_~__tmp_8~0#1;main_~__tmp_8~0#1 := (if 0 == main_~main__c1~0#1 then 0 else 1);havoc main_~assert__arg~7#1;main_~assert__arg~7#1 := main_~__tmp_8~0#1; {12708#false} is VALID [2022-02-20 18:47:23,265 INFO L290 TraceCheckUtils]: 62: Hoare triple {12708#false} assume 0 == main_~assert__arg~7#1 % 256; {12708#false} is VALID [2022-02-20 18:47:23,265 INFO L290 TraceCheckUtils]: 63: Hoare triple {12708#false} assume !false; {12708#false} is VALID [2022-02-20 18:47:23,266 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 18:47:23,266 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 18:47:23,266 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1933183713] [2022-02-20 18:47:23,266 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1933183713] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 18:47:23,267 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 18:47:23,267 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-20 18:47:23,267 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [858837322] [2022-02-20 18:47:23,267 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 18:47:23,267 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2022-02-20 18:47:23,268 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 18:47:23,268 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 18:47:23,351 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 64 edges. 64 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:47:23,351 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-20 18:47:23,351 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 18:47:23,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-20 18:47:23,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 18:47:23,354 INFO L87 Difference]: Start difference. First operand 1393 states and 1857 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 18:47:25,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:47:25,314 INFO L93 Difference]: Finished difference Result 2185 states and 3029 transitions. [2022-02-20 18:47:25,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-20 18:47:25,315 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2022-02-20 18:47:25,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 18:47:25,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 18:47:25,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1581 transitions. [2022-02-20 18:47:25,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 18:47:25,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1581 transitions. [2022-02-20 18:47:25,349 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 1581 transitions. [2022-02-20 18:47:26,405 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 1581 edges. 1581 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:47:26,560 INFO L225 Difference]: With dead ends: 2185 [2022-02-20 18:47:26,560 INFO L226 Difference]: Without dead ends: 1800 [2022-02-20 18:47:26,561 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 18:47:26,561 INFO L933 BasicCegarLoop]: 1156 mSDtfsCounter, 532 mSDsluCounter, 708 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 532 SdHoareTripleChecker+Valid, 1864 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-20 18:47:26,562 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [532 Valid, 1864 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-20 18:47:26,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1800 states. [2022-02-20 18:47:27,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1800 to 1792. [2022-02-20 18:47:27,025 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 18:47:27,030 INFO L82 GeneralOperation]: Start isEquivalent. First operand 1800 states. Second operand has 1792 states, 1785 states have (on average 1.3647058823529412) internal successors, (2436), 1791 states have internal predecessors, (2436), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 18:47:27,033 INFO L74 IsIncluded]: Start isIncluded. First operand 1800 states. Second operand has 1792 states, 1785 states have (on average 1.3647058823529412) internal successors, (2436), 1791 states have internal predecessors, (2436), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 18:47:27,037 INFO L87 Difference]: Start difference. First operand 1800 states. Second operand has 1792 states, 1785 states have (on average 1.3647058823529412) internal successors, (2436), 1791 states have internal predecessors, (2436), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 18:47:27,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:47:27,197 INFO L93 Difference]: Finished difference Result 1800 states and 2440 transitions. [2022-02-20 18:47:27,197 INFO L276 IsEmpty]: Start isEmpty. Operand 1800 states and 2440 transitions. [2022-02-20 18:47:27,200 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:47:27,200 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:47:27,205 INFO L74 IsIncluded]: Start isIncluded. First operand has 1792 states, 1785 states have (on average 1.3647058823529412) internal successors, (2436), 1791 states have internal predecessors, (2436), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 1800 states. [2022-02-20 18:47:27,222 INFO L87 Difference]: Start difference. First operand has 1792 states, 1785 states have (on average 1.3647058823529412) internal successors, (2436), 1791 states have internal predecessors, (2436), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 1800 states. [2022-02-20 18:47:27,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:47:27,381 INFO L93 Difference]: Finished difference Result 1800 states and 2440 transitions. [2022-02-20 18:47:27,381 INFO L276 IsEmpty]: Start isEmpty. Operand 1800 states and 2440 transitions. [2022-02-20 18:47:27,384 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:47:27,384 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:47:27,384 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 18:47:27,384 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 18:47:27,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1792 states, 1785 states have (on average 1.3647058823529412) internal successors, (2436), 1791 states have internal predecessors, (2436), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 18:47:27,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1792 states to 1792 states and 2436 transitions. [2022-02-20 18:47:27,591 INFO L78 Accepts]: Start accepts. Automaton has 1792 states and 2436 transitions. Word has length 64 [2022-02-20 18:47:27,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 18:47:27,591 INFO L470 AbstractCegarLoop]: Abstraction has 1792 states and 2436 transitions. [2022-02-20 18:47:27,591 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 18:47:27,591 INFO L276 IsEmpty]: Start isEmpty. Operand 1792 states and 2436 transitions. [2022-02-20 18:47:27,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-02-20 18:47:27,596 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 18:47:27,596 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 18:47:27,597 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-20 18:47:27,597 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2022-02-20 18:47:27,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 18:47:27,598 INFO L85 PathProgramCache]: Analyzing trace with hash -1930220714, now seen corresponding path program 1 times [2022-02-20 18:47:27,598 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 18:47:27,598 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721447593] [2022-02-20 18:47:27,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 18:47:27,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 18:47:27,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:47:27,697 INFO L290 TraceCheckUtils]: 0: Hoare triple {21085#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(63, 2);call #Ultimate.allocInit(12, 3);~__return_main~0 := 0;~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~alive1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~alive2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~alive3~0 := 0;~p4~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~send4~0 := 0;~mode4~0 := 0;~alive4~0 := 0;~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[0 := #funAddr~node1.base], ~nodes~0.offset[0 := #funAddr~node1.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[1 := #funAddr~node2.base], ~nodes~0.offset[1 := #funAddr~node2.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[2 := #funAddr~node3.base], ~nodes~0.offset[2 := #funAddr~node3.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[3 := #funAddr~node4.base], ~nodes~0.offset[3 := #funAddr~node4.offset];~__return_19080~0 := 0;~__return_22830~0 := 0;~__return_19254~0 := 0;~__return_19337~0 := 0;~__return_19754~0 := 0;~__return_20306~0 := 0;~__return_20551~0 := 0;~__return_21733~0 := 0;~__return_21990~0 := 0;~__return_22543~0 := 0;~__return_22792~0 := 0;~__return_19596~0 := 0;~__return_19829~0 := 0;~__return_20393~0 := 0;~__return_20629~0 := 0;~__return_21832~0 := 0;~__return_22068~0 := 0;~__return_22633~0 := 0;~__return_22752~0 := 0;~__return_22911~0 := 0;~__return_22878~0 := 0;~__return_22581~0 := 0;~__return_22492~0 := 0;~__return_22703~0 := 0;~__return_22670~0 := 0;~__return_23135~0 := 0;~__return_23104~0 := 0;~__return_23198~0 := 0;~__return_23165~0 := 0;~__return_22990~0 := 0;~__return_22959~0 := 0;~__return_23053~0 := 0;~__return_23020~0 := 0;~__return_22028~0 := 0;~__return_21951~0 := 0;~__return_22138~0 := 0;~__return_22105~0 := 0;~__return_21769~0 := 0;~__return_21668~0 := 0;~__return_21902~0 := 0;~__return_21869~0 := 0;~__return_22362~0 := 0;~__return_22331~0 := 0;~__return_22425~0 := 0;~__return_22392~0 := 0;~__return_22217~0 := 0;~__return_22186~0 := 0;~__return_22280~0 := 0;~__return_22247~0 := 0;~__return_23438~0 := 0;~__return_23407~0 := 0;~__return_23501~0 := 0;~__return_23468~0 := 0;~__return_23295~0 := 0;~__return_23264~0 := 0;~__return_23358~0 := 0;~__return_23325~0 := 0;~__return_23725~0 := 0;~__return_23694~0 := 0;~__return_23788~0 := 0;~__return_23755~0 := 0;~__return_23580~0 := 0;~__return_23549~0 := 0;~__return_23643~0 := 0;~__return_23610~0 := 0;~__return_20589~0 := 0;~__return_20512~0 := 0;~__return_20699~0 := 0;~__return_20666~0 := 0;~__return_20342~0 := 0;~__return_20253~0 := 0;~__return_20463~0 := 0;~__return_20430~0 := 0;~__return_20923~0 := 0;~__return_20892~0 := 0;~__return_20986~0 := 0;~__return_20953~0 := 0;~__return_20778~0 := 0;~__return_20747~0 := 0;~__return_20841~0 := 0;~__return_20808~0 := 0;~__return_19790~0 := 0;~__return_19713~0 := 0;~__return_19899~0 := 0;~__return_19866~0 := 0;~__return_19519~0 := 0;~__return_19179~0 := 0;~__return_19664~0 := 0;~__return_19631~0 := 0;~__return_20123~0 := 0;~__return_20092~0 := 0;~__return_20186~0 := 0;~__return_20153~0 := 0;~__return_19978~0 := 0;~__return_19947~0 := 0;~__return_20041~0 := 0;~__return_20008~0 := 0;~__return_21226~0 := 0;~__return_21195~0 := 0;~__return_21289~0 := 0;~__return_21256~0 := 0;~__return_21083~0 := 0;~__return_21052~0 := 0;~__return_21146~0 := 0;~__return_21113~0 := 0;~__return_21513~0 := 0;~__return_21482~0 := 0;~__return_21576~0 := 0;~__return_21543~0 := 0;~__return_21368~0 := 0;~__return_21337~0 := 0;~__return_21431~0 := 0;~__return_21398~0 := 0;~__return_24644~0 := 0;~__return_24613~0 := 0;~__return_24707~0 := 0;~__return_24674~0 := 0;~__return_24501~0 := 0;~__return_24470~0 := 0;~__return_24564~0 := 0;~__return_24531~0 := 0;~__return_24931~0 := 0;~__return_24900~0 := 0;~__return_24994~0 := 0;~__return_24961~0 := 0;~__return_24786~0 := 0;~__return_24755~0 := 0;~__return_24849~0 := 0;~__return_24816~0 := 0;~__return_24053~0 := 0;~__return_24022~0 := 0;~__return_24116~0 := 0;~__return_24083~0 := 0;~__return_23910~0 := 0;~__return_23879~0 := 0;~__return_23973~0 := 0;~__return_23940~0 := 0;~__return_24340~0 := 0;~__return_24309~0 := 0;~__return_24403~0 := 0;~__return_24370~0 := 0;~__return_24195~0 := 0;~__return_24164~0 := 0;~__return_24258~0 := 0;~__return_24225~0 := 0;~__return_25234~0 := 0;~__return_25203~0 := 0;~__return_25297~0 := 0;~__return_25264~0 := 0;~__return_25091~0 := 0;~__return_25060~0 := 0;~__return_25154~0 := 0;~__return_25121~0 := 0;~__return_25521~0 := 0;~__return_25490~0 := 0;~__return_25584~0 := 0;~__return_25551~0 := 0;~__return_25376~0 := 0;~__return_25345~0 := 0;~__return_25439~0 := 0;~__return_25406~0 := 0; {21085#true} is VALID [2022-02-20 18:47:27,697 INFO L290 TraceCheckUtils]: 1: Hoare triple {21085#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_~__tmp_3~0#1, main_~assert__arg~2#1, main_~check__tmp~2#1, main_~node4____CPAchecker_TMP_0~1#1, main_~node4____CPAchecker_TMP_1~0#1, main_~node4__m4~2#1, main_~node3____CPAchecker_TMP_0~1#1, main_~node3____CPAchecker_TMP_1~0#1, main_~node3__m3~2#1, main_~node2____CPAchecker_TMP_0~1#1, main_~node2____CPAchecker_TMP_1~0#1, main_~node2__m2~2#1, main_~node1____CPAchecker_TMP_0~1#1, main_~node1____CPAchecker_TMP_1~0#1, main_~node1__m1~2#1, main_~__tmp_2~0#1, main_~assert__arg~1#1, main_~check__tmp~1#1, main_~__tmp_4~0#1, main_~assert__arg~3#1, main_~check__tmp~3#1, main_~node4__m4~1#1, main_~__tmp_5~0#1, main_~assert__arg~4#1, main_~check__tmp~4#1, main_~__tmp_6~0#1, main_~assert__arg~5#1, main_~check__tmp~5#1, main_~node4__m4~3#1, main_~node3__m3~1#1, main_~__tmp_7~0#1, main_~assert__arg~6#1, main_~check__tmp~6#1, main_~__tmp_8~0#1, main_~assert__arg~7#1, main_~check__tmp~7#1, main_~node4__m4~4#1, main_~__tmp_9~0#1, main_~assert__arg~8#1, main_~check__tmp~8#1, main_~check__tmp~9#1, main_~node4__m4~5#1, main_~node3__m3~3#1, main_~node2__m2~1#1, main_~__tmp_10~0#1, main_~assert__arg~9#1, main_~check__tmp~10#1, main_~__tmp_11~0#1, main_~assert__arg~10#1, main_~check__tmp~11#1, main_~node4__m4~6#1, main_~__tmp_12~0#1, main_~assert__arg~11#1, main_~check__tmp~12#1, main_~check__tmp~13#1, main_~node4__m4~7#1, main_~node3__m3~4#1, main_~__tmp_13~0#1, main_~assert__arg~12#1, main_~check__tmp~14#1, main_~check__tmp~15#1, main_~node4__m4~8#1, main_~check__tmp~16#1, main_~node4__m4~9#1, main_~node3__m3~5#1, main_~node2__m2~3#1, main_~node1__m1~1#1, main_~__tmp_1~0#1, main_~assert__arg~0#1, main_~check__tmp~0#1, main_~__tmp_14~0#1, main_~assert__arg~13#1, main_~check__tmp~17#1, main_~node4____CPAchecker_TMP_0~0#1, main_~__tmp_15~0#1, main_~assert__arg~14#1, main_~check__tmp~18#1, main_~node4____CPAchecker_TMP_1~1#1, main_~__tmp_16~0#1, main_~assert__arg~15#1, main_~check__tmp~19#1, main_~node4__m4~0#1, main_~__tmp_17~0#1, main_~assert__arg~16#1, main_~check__tmp~20#1, main_~__tmp_18~0#1, main_~assert__arg~17#1, main_~check__tmp~21#1, main_~node4____CPAchecker_TMP_0~2#1, main_~__tmp_19~0#1, main_~assert__arg~18#1, main_~check__tmp~22#1, main_~node4____CPAchecker_TMP_1~2#1, main_~__tmp_20~0#1, main_~assert__arg~19#1, main_~check__tmp~23#1, main_~node4__m4~10#1, main_~node3____CPAchecker_TMP_0~0#1, main_~__tmp_21~0#1, main_~assert__arg~20#1, main_~check__tmp~24#1, main_~__tmp_22~0#1, main_~assert__arg~21#1, main_~check__tmp~25#1, main_~node4____CPAchecker_TMP_0~3#1, main_~__tmp_23~0#1, main_~assert__arg~22#1, main_~check__tmp~26#1, main_~node4____CPAchecker_TMP_1~3#1, main_~__tmp_24~0#1, main_~assert__arg~23#1, main_~check__tmp~27#1, main_~node4__m4~11#1, main_~node3____CPAchecker_TMP_1~1#1, main_~__tmp_25~0#1, main_~assert__arg~24#1, main_~check__tmp~28#1, main_~__tmp_26~0#1, main_~assert__arg~25#1, main_~check__tmp~29#1, main_~node4____CPAchecker_TMP_0~4#1, main_~__tmp_27~0#1, main_~assert__arg~26#1, main_~check__tmp~30#1, main_~node4____CPAchecker_TMP_1~4#1, main_~__tmp_28~0#1, main_~assert__arg~27#1, main_~check__tmp~31#1, main_~node4__m4~12#1, main_~node3__m3~0#1, main_~__tmp_29~0#1, main_~assert__arg~28#1, main_~check__tmp~32#1, main_~__tmp_30~0#1, main_~assert__arg~29#1, main_~check__tmp~33#1, main_~node4____CPAchecker_TMP_0~5#1, main_~__tmp_31~0#1, main_~assert__arg~30#1, main_~check__tmp~34#1, main_~node4____CPAchecker_TMP_1~5#1, main_~__tmp_32~0#1, main_~assert__arg~31#1, main_~check__tmp~35#1, main_~node4__m4~13#1, main_~__tmp_33~0#1, main_~assert__arg~32#1, main_~check__tmp~36#1, main_~__tmp_34~0#1, main_~assert__arg~33#1, main_~check__tmp~37#1, main_~node4____CPAchecker_TMP_0~6#1, main_~__tmp_35~0#1, main_~assert__arg~34#1, main_~check__tmp~38#1, main_~node4____CPAchecker_TMP_1~6#1, main_~__tmp_36~0#1, main_~assert__arg~35#1, main_~check__tmp~39#1, main_~node4__m4~14#1, main_~node3____CPAchecker_TMP_0~2#1, main_~__tmp_37~0#1, main_~assert__arg~36#1, main_~check__tmp~40#1, main_~__tmp_38~0#1, main_~assert__arg~37#1, main_~check__tmp~41#1, main_~node4____CPAchecker_TMP_0~7#1, main_~__tmp_39~0#1, main_~assert__arg~38#1, main_~check__tmp~42#1, main_~node4____CPAchecker_TMP_1~7#1, main_~__tmp_40~0#1, main_~assert__arg~39#1, main_~check__tmp~43#1, main_~node4__m4~15#1, main_~node3____CPAchecker_TMP_1~2#1, main_~__tmp_41~0#1, main_~assert__arg~40#1, main_~check__tmp~44#1, main_~__tmp_42~0#1, main_~assert__arg~41#1, main_~check__tmp~45#1, main_~node4____CPAchecker_TMP_0~8#1, main_~__tmp_43~0#1, main_~assert__arg~42#1, main_~check__tmp~46#1, main_~node4____CPAchecker_TMP_1~8#1, main_~__tmp_44~0#1, main_~assert__arg~43#1, main_~check__tmp~47#1, main_~node4__m4~16#1, main_~node3__m3~6#1, main_~node2____CPAchecker_TMP_0~0#1, main_~__tmp_45~0#1, main_~assert__arg~44#1, main_~check__tmp~48#1, main_~__tmp_46~0#1, main_~assert__arg~45#1, main_~check__tmp~49#1, main_~node4____CPAchecker_TMP_0~9#1, main_~__tmp_47~0#1, main_~assert__arg~46#1, main_~check__tmp~50#1, main_~node4____CPAchecker_TMP_1~9#1, main_~__tmp_48~0#1, main_~assert__arg~47#1, main_~check__tmp~51#1, main_~node4__m4~17#1, main_~__tmp_49~0#1, main_~assert__arg~48#1, main_~check__tmp~52#1, main_~__tmp_50~0#1, main_~assert__arg~49#1, main_~check__tmp~53#1, main_~node4____CPAchecker_TMP_0~10#1, main_~__tmp_51~0#1, main_~assert__arg~50#1, main_~check__tmp~54#1, main_~node4____CPAchecker_TMP_1~10#1, main_~__tmp_52~0#1, main_~assert__arg~51#1, main_~check__tmp~55#1, main_~node4__m4~18#1, main_~node3____CPAchecker_TMP_0~3#1, main_~__tmp_53~0#1, main_~assert__arg~52#1, main_~check__tmp~56#1, main_~__tmp_54~0#1, main_~assert__arg~53#1, main_~check__tmp~57#1, main_~node4____CPAchecker_TMP_0~11#1, main_~__tmp_55~0#1, main_~assert__arg~54#1, main_~check__tmp~58#1, main_~node4____CPAchecker_TMP_1~11#1, main_~__tmp_56~0#1, main_~assert__arg~55#1, main_~check__tmp~59#1, main_~node4__m4~19#1, main_~node3____CPAchecker_TMP_1~3#1, main_~__tmp_57~0#1, main_~assert__arg~56#1, main_~check__tmp~60#1, main_~__tmp_58~0#1, main_~assert__arg~57#1, main_~check__tmp~61#1, main_~node4____CPAchecker_TMP_0~12#1, main_~__tmp_59~0#1, main_~assert__arg~58#1, main_~check__tmp~62#1, main_~node4____CPAchecker_TMP_1~12#1, main_~__tmp_60~0#1, main_~assert__arg~59#1, main_~check__tmp~63#1, main_~node4__m4~20#1, main_~node3__m3~7#1, main_~node2____CPAchecker_TMP_1~1#1, main_~node2__m2~0#1, main_~__tmp_61~0#1, main_~assert__arg~60#1, main_~check__tmp~64#1, main_~__tmp_62~0#1, main_~assert__arg~61#1, main_~check__tmp~65#1, main_~node4____CPAchecker_TMP_0~13#1, main_~__tmp_63~0#1, main_~assert__arg~62#1, main_~check__tmp~66#1, main_~node4____CPAchecker_TMP_1~13#1, main_~__tmp_64~0#1, main_~assert__arg~63#1, main_~check__tmp~67#1, main_~node4__m4~21#1, main_~__tmp_65~0#1, main_~assert__arg~64#1, main_~check__tmp~68#1, main_~__tmp_66~0#1, main_~assert__arg~65#1, main_~check__tmp~69#1, main_~node4____CPAchecker_TMP_0~14#1, main_~__tmp_67~0#1, main_~assert__arg~66#1, main_~check__tmp~70#1, main_~node4____CPAchecker_TMP_1~14#1, main_~__tmp_68~0#1, main_~assert__arg~67#1, main_~check__tmp~71#1, main_~node4__m4~22#1, main_~node3____CPAchecker_TMP_0~4#1, main_~__tmp_69~0#1, main_~assert__arg~68#1, main_~check__tmp~72#1, main_~__tmp_70~0#1, main_~assert__arg~69#1, main_~check__tmp~73#1, main_~node4____CPAchecker_TMP_0~15#1, main_~__tmp_71~0#1, main_~assert__arg~70#1, main_~check__tmp~74#1, main_~node4____CPAchecker_TMP_1~15#1, main_~__tmp_72~0#1, main_~assert__arg~71#1, main_~check__tmp~75#1, main_~node4__m4~23#1, main_~node3____CPAchecker_TMP_1~4#1, main_~__tmp_73~0#1, main_~assert__arg~72#1, main_~check__tmp~76#1, main_~__tmp_74~0#1, main_~assert__arg~73#1, main_~check__tmp~77#1, main_~node4____CPAchecker_TMP_0~16#1, main_~__tmp_75~0#1, main_~assert__arg~74#1, main_~check__tmp~78#1, main_~node4____CPAchecker_TMP_1~16#1, main_~__tmp_76~0#1, main_~assert__arg~75#1, main_~check__tmp~79#1, main_~node4__m4~24#1, main_~node3__m3~8#1, main_~__tmp_77~0#1, main_~assert__arg~76#1, main_~check__tmp~80#1, main_~__tmp_78~0#1, main_~assert__arg~77#1, main_~check__tmp~81#1, main_~node4____CPAchecker_TMP_0~17#1, main_~__tmp_79~0#1, main_~assert__arg~78#1, main_~check__tmp~82#1, main_~node4____CPAchecker_TMP_1~17#1, main_~__tmp_80~0#1, main_~assert__arg~79#1, main_~check__tmp~83#1, main_~node4__m4~25#1, main_~__tmp_81~0#1, main_~assert__arg~80#1, main_~check__tmp~84#1, main_~__tmp_82~0#1, main_~assert__arg~81#1, main_~check__tmp~85#1, main_~node4____CPAchecker_TMP_0~18#1, main_~__tmp_83~0#1, main_~assert__arg~82#1, main_~check__tmp~86#1, main_~node4____CPAchecker_TMP_1~18#1, main_~__tmp_84~0#1, main_~assert__arg~83#1, main_~check__tmp~87#1, main_~node4__m4~26#1, main_~node3____CPAchecker_TMP_0~5#1, main_~__tmp_85~0#1, main_~assert__arg~84#1, main_~check__tmp~88#1, main_~__tmp_86~0#1, main_~assert__arg~85#1, main_~check__tmp~89#1, main_~node4____CPAchecker_TMP_0~19#1, main_~__tmp_87~0#1, main_~assert__arg~86#1, main_~check__tmp~90#1, main_~node4____CPAchecker_TMP_1~19#1, main_~__tmp_88~0#1, main_~assert__arg~87#1, main_~check__tmp~91#1, main_~node4__m4~27#1, main_~node3____CPAchecker_TMP_1~5#1, main_~__tmp_89~0#1, main_~assert__arg~88#1, main_~check__tmp~92#1, main_~__tmp_90~0#1, main_~assert__arg~89#1, main_~check__tmp~93#1, main_~node4____CPAchecker_TMP_0~20#1, main_~__tmp_91~0#1, main_~assert__arg~90#1, main_~check__tmp~94#1, main_~node4____CPAchecker_TMP_1~20#1, main_~__tmp_92~0#1, main_~assert__arg~91#1, main_~check__tmp~95#1, main_~node4__m4~28#1, main_~node3__m3~9#1, main_~node2____CPAchecker_TMP_0~2#1, main_~__tmp_93~0#1, main_~assert__arg~92#1, main_~check__tmp~96#1, main_~__tmp_94~0#1, main_~assert__arg~93#1, main_~check__tmp~97#1, main_~node4____CPAchecker_TMP_0~21#1, main_~__tmp_95~0#1, main_~assert__arg~94#1, main_~check__tmp~98#1, main_~node4____CPAchecker_TMP_1~21#1, main_~__tmp_96~0#1, main_~assert__arg~95#1, main_~check__tmp~99#1, main_~node4__m4~29#1, main_~__tmp_97~0#1, main_~assert__arg~96#1, main_~check__tmp~100#1, main_~__tmp_98~0#1, main_~assert__arg~97#1, main_~check__tmp~101#1, main_~node4____CPAchecker_TMP_0~22#1, main_~__tmp_99~0#1, main_~assert__arg~98#1, main_~check__tmp~102#1, main_~node4____CPAchecker_TMP_1~22#1, main_~__tmp_100~0#1, main_~assert__arg~99#1, main_~check__tmp~103#1, main_~node4__m4~30#1, main_~node3____CPAchecker_TMP_0~6#1, main_~__tmp_101~0#1, main_~assert__arg~100#1, main_~check__tmp~104#1, main_~__tmp_102~0#1, main_~assert__arg~101#1, main_~check__tmp~105#1, main_~node4____CPAchecker_TMP_0~23#1, main_~__tmp_103~0#1, main_~assert__arg~102#1, main_~check__tmp~106#1, main_~node4____CPAchecker_TMP_1~23#1, main_~__tmp_104~0#1, main_~assert__arg~103#1, main_~check__tmp~107#1, main_~node4__m4~31#1, main_~node3____CPAchecker_TMP_1~6#1, main_~__tmp_105~0#1, main_~assert__arg~104#1, main_~check__tmp~108#1, main_~__tmp_106~0#1, main_~assert__arg~105#1, main_~check__tmp~109#1, main_~node4____CPAchecker_TMP_0~24#1, main_~__tmp_107~0#1, main_~assert__arg~106#1, main_~check__tmp~110#1, main_~node4____CPAchecker_TMP_1~24#1, main_~__tmp_108~0#1, main_~assert__arg~107#1, main_~check__tmp~111#1, main_~node4__m4~32#1, main_~node3__m3~10#1, main_~node2____CPAchecker_TMP_1~2#1, main_~node2__m2~4#1, main_~node1____CPAchecker_TMP_0~0#1, main_~__tmp_109~0#1, main_~assert__arg~108#1, main_~check__tmp~112#1, main_~__tmp_110~0#1, main_~assert__arg~109#1, main_~check__tmp~113#1, main_~node4____CPAchecker_TMP_0~25#1, main_~__tmp_111~0#1, main_~assert__arg~110#1, main_~check__tmp~114#1, main_~node4____CPAchecker_TMP_1~25#1, main_~__tmp_112~0#1, main_~assert__arg~111#1, main_~check__tmp~115#1, main_~node4__m4~33#1, main_~__tmp_113~0#1, main_~assert__arg~112#1, main_~check__tmp~116#1, main_~__tmp_114~0#1, main_~assert__arg~113#1, main_~check__tmp~117#1, main_~node4____CPAchecker_TMP_0~26#1, main_~__tmp_115~0#1, main_~assert__arg~114#1, main_~check__tmp~118#1, main_~node4____CPAchecker_TMP_1~26#1, main_~__tmp_116~0#1, main_~assert__arg~115#1, main_~check__tmp~119#1, main_~node4__m4~34#1, main_~node3____CPAchecker_TMP_0~7#1, main_~__tmp_117~0#1, main_~assert__arg~116#1, main_~check__tmp~120#1, main_~__tmp_118~0#1, main_~assert__arg~117#1, main_~check__tmp~121#1, main_~node4____CPAchecker_TMP_0~27#1, main_~__tmp_119~0#1, main_~assert__arg~118#1, main_~check__tmp~122#1, main_~node4____CPAchecker_TMP_1~27#1, main_~__tmp_120~0#1, main_~assert__arg~119#1, main_~check__tmp~123#1, main_~node4__m4~35#1, main_~node3____CPAchecker_TMP_1~7#1, main_~__tmp_121~0#1, main_~assert__arg~120#1, main_~check__tmp~124#1, main_~__tmp_122~0#1, main_~assert__arg~121#1, main_~check__tmp~125#1, main_~node4____CPAchecker_TMP_0~28#1, main_~__tmp_123~0#1, main_~assert__arg~122#1, main_~check__tmp~126#1, main_~node4____CPAchecker_TMP_1~28#1, main_~__tmp_124~0#1, main_~assert__arg~123#1, main_~check__tmp~127#1, main_~node4__m4~36#1, main_~node3__m3~11#1, main_~__tmp_125~0#1, main_~assert__arg~124#1, main_~check__tmp~128#1, main_~__tmp_126~0#1, main_~assert__arg~125#1, main_~check__tmp~129#1, main_~node4____CPAchecker_TMP_0~29#1, main_~__tmp_127~0#1, main_~assert__arg~126#1, main_~check__tmp~130#1, main_~node4____CPAchecker_TMP_1~29#1, main_~__tmp_128~0#1, main_~assert__arg~127#1, main_~check__tmp~131#1, main_~node4__m4~37#1, main_~__tmp_129~0#1, main_~assert__arg~128#1, main_~check__tmp~132#1, main_~__tmp_130~0#1, main_~assert__arg~129#1, main_~check__tmp~133#1, main_~node4____CPAchecker_TMP_0~30#1, main_~__tmp_131~0#1, main_~assert__arg~130#1, main_~check__tmp~134#1, main_~node4____CPAchecker_TMP_1~30#1, main_~__tmp_132~0#1, main_~assert__arg~131#1, main_~check__tmp~135#1, main_~node4__m4~38#1, main_~node3____CPAchecker_TMP_0~8#1, main_~__tmp_133~0#1, main_~assert__arg~132#1, main_~check__tmp~136#1, main_~__tmp_134~0#1, main_~assert__arg~133#1, main_~check__tmp~137#1, main_~node4____CPAchecker_TMP_0~31#1, main_~__tmp_135~0#1, main_~assert__arg~134#1, main_~check__tmp~138#1, main_~node4____CPAchecker_TMP_1~31#1, main_~__tmp_136~0#1, main_~assert__arg~135#1, main_~check__tmp~139#1, main_~node4__m4~39#1, main_~node3____CPAchecker_TMP_1~8#1, main_~__tmp_137~0#1, main_~assert__arg~136#1, main_~check__tmp~140#1, main_~__tmp_138~0#1, main_~assert__arg~137#1, main_~check__tmp~141#1, main_~node4____CPAchecker_TMP_0~32#1, main_~__tmp_139~0#1, main_~assert__arg~138#1, main_~check__tmp~142#1, main_~node4____CPAchecker_TMP_1~32#1, main_~__tmp_140~0#1, main_~assert__arg~139#1, main_~check__tmp~143#1, main_~node4__m4~40#1, main_~node3__m3~12#1, main_~node2____CPAchecker_TMP_0~3#1, main_~__tmp_141~0#1, main_~assert__arg~140#1, main_~check__tmp~144#1, main_~__tmp_142~0#1, main_~assert__arg~141#1, main_~check__tmp~145#1, main_~node4____CPAchecker_TMP_0~33#1, main_~__tmp_143~0#1, main_~assert__arg~142#1, main_~check__tmp~146#1, main_~node4____CPAchecker_TMP_1~33#1, main_~__tmp_144~0#1, main_~assert__arg~143#1, main_~check__tmp~147#1, main_~node4__m4~41#1, main_~__tmp_145~0#1, main_~assert__arg~144#1, main_~check__tmp~148#1, main_~__tmp_146~0#1, main_~assert__arg~145#1, main_~check__tmp~149#1, main_~node4____CPAchecker_TMP_0~34#1, main_~__tmp_147~0#1, main_~assert__arg~146#1, main_~check__tmp~150#1, main_~node4____CPAchecker_TMP_1~34#1, main_~__tmp_148~0#1, main_~assert__arg~147#1, main_~check__tmp~151#1, main_~node4__m4~42#1, main_~node3____CPAchecker_TMP_0~9#1, main_~__tmp_149~0#1, main_~assert__arg~148#1, main_~check__tmp~152#1, main_~__tmp_150~0#1, main_~assert__arg~149#1, main_~check__tmp~153#1, main_~node4____CPAchecker_TMP_0~35#1, main_~__tmp_151~0#1, main_~assert__arg~150#1, main_~check__tmp~154#1, main_~node4____CPAchecker_TMP_1~35#1, main_~__tmp_152~0#1, main_~assert__arg~151#1, main_~check__tmp~155#1, main_~node4__m4~43#1, main_~node3____CPAchecker_TMP_1~9#1, main_~__tmp_153~0#1, main_~assert__arg~152#1, main_~check__tmp~156#1, main_~__tmp_154~0#1, main_~assert__arg~153#1, main_~check__tmp~157#1, main_~node4____CPAchecker_TMP_0~36#1, main_~__tmp_155~0#1, main_~assert__arg~154#1, main_~check__tmp~158#1, main_~node4____CPAchecker_TMP_1~36#1, main_~__tmp_156~0#1, main_~assert__arg~155#1, main_~check__tmp~159#1, main_~node4__m4~44#1, main_~node3__m3~13#1, main_~node2____CPAchecker_TMP_1~3#1, main_~node2__m2~5#1, main_~node1____CPAchecker_TMP_1~1#1, main_~node1__m1~0#1, main_~init__tmp~0#1, main_~main__c1~0#1, main_~main__i2~0#1;havoc main_~main__c1~0#1;havoc main_~main__i2~0#1;main_~main__c1~0#1 := 0;~r1~0 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -128 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 127;~id1~0 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -128 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 127;~st1~0 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -128 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 127;~send1~0 := main_#t~nondet7#1;havoc main_#t~nondet7#1;~mode1~0 := main_#t~nondet8#1;havoc main_#t~nondet8#1;~alive1~0 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -128 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 127;~id2~0 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -128 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 127;~st2~0 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -128 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 127;~send2~0 := main_#t~nondet12#1;havoc main_#t~nondet12#1;~mode2~0 := main_#t~nondet13#1;havoc main_#t~nondet13#1;~alive2~0 := main_#t~nondet14#1;havoc main_#t~nondet14#1;assume -128 <= main_#t~nondet15#1 && main_#t~nondet15#1 <= 127;~id3~0 := main_#t~nondet15#1;havoc main_#t~nondet15#1;assume -128 <= main_#t~nondet16#1 && main_#t~nondet16#1 <= 127;~st3~0 := main_#t~nondet16#1;havoc main_#t~nondet16#1;assume -128 <= main_#t~nondet17#1 && main_#t~nondet17#1 <= 127;~send3~0 := main_#t~nondet17#1;havoc main_#t~nondet17#1;~mode3~0 := main_#t~nondet18#1;havoc main_#t~nondet18#1;~alive3~0 := main_#t~nondet19#1;havoc main_#t~nondet19#1;assume -128 <= main_#t~nondet20#1 && main_#t~nondet20#1 <= 127;~id4~0 := main_#t~nondet20#1;havoc main_#t~nondet20#1;assume -128 <= main_#t~nondet21#1 && main_#t~nondet21#1 <= 127;~st4~0 := main_#t~nondet21#1;havoc main_#t~nondet21#1;assume -128 <= main_#t~nondet22#1 && main_#t~nondet22#1 <= 127;~send4~0 := main_#t~nondet22#1;havoc main_#t~nondet22#1;~mode4~0 := main_#t~nondet23#1;havoc main_#t~nondet23#1;~alive4~0 := main_#t~nondet24#1;havoc main_#t~nondet24#1;havoc main_~init__tmp~0#1; {21085#true} is VALID [2022-02-20 18:47:27,698 INFO L290 TraceCheckUtils]: 2: Hoare triple {21085#true} assume 0 == ~r1~0 % 256; {21085#true} is VALID [2022-02-20 18:47:27,698 INFO L290 TraceCheckUtils]: 3: Hoare triple {21085#true} assume ~alive1~0 % 256 + ~alive2~0 % 256 + ~alive3~0 % 256 + ~alive4~0 % 256 >= 1; {21085#true} is VALID [2022-02-20 18:47:27,698 INFO L290 TraceCheckUtils]: 4: Hoare triple {21085#true} assume ~id1~0 >= 0; {21085#true} is VALID [2022-02-20 18:47:27,698 INFO L290 TraceCheckUtils]: 5: Hoare triple {21085#true} assume 0 == ~st1~0; {21085#true} is VALID [2022-02-20 18:47:27,699 INFO L290 TraceCheckUtils]: 6: Hoare triple {21085#true} assume ~send1~0 == ~id1~0; {21085#true} is VALID [2022-02-20 18:47:27,699 INFO L290 TraceCheckUtils]: 7: Hoare triple {21085#true} assume 0 == ~mode1~0 % 256; {21085#true} is VALID [2022-02-20 18:47:27,699 INFO L290 TraceCheckUtils]: 8: Hoare triple {21085#true} assume ~id2~0 >= 0; {21085#true} is VALID [2022-02-20 18:47:27,699 INFO L290 TraceCheckUtils]: 9: Hoare triple {21085#true} assume 0 == ~st2~0; {21085#true} is VALID [2022-02-20 18:47:27,699 INFO L290 TraceCheckUtils]: 10: Hoare triple {21085#true} assume ~send2~0 == ~id2~0; {21085#true} is VALID [2022-02-20 18:47:27,699 INFO L290 TraceCheckUtils]: 11: Hoare triple {21085#true} assume 0 == ~mode2~0 % 256; {21085#true} is VALID [2022-02-20 18:47:27,703 INFO L290 TraceCheckUtils]: 12: Hoare triple {21085#true} assume ~id3~0 >= 0; {21085#true} is VALID [2022-02-20 18:47:27,703 INFO L290 TraceCheckUtils]: 13: Hoare triple {21085#true} assume 0 == ~st3~0; {21085#true} is VALID [2022-02-20 18:47:27,703 INFO L290 TraceCheckUtils]: 14: Hoare triple {21085#true} assume ~send3~0 == ~id3~0; {21085#true} is VALID [2022-02-20 18:47:27,703 INFO L290 TraceCheckUtils]: 15: Hoare triple {21085#true} assume 0 == ~mode3~0 % 256; {21085#true} is VALID [2022-02-20 18:47:27,703 INFO L290 TraceCheckUtils]: 16: Hoare triple {21085#true} assume ~id4~0 >= 0; {21085#true} is VALID [2022-02-20 18:47:27,704 INFO L290 TraceCheckUtils]: 17: Hoare triple {21085#true} assume 0 == ~st4~0; {21085#true} is VALID [2022-02-20 18:47:27,704 INFO L290 TraceCheckUtils]: 18: Hoare triple {21085#true} assume ~send4~0 == ~id4~0; {21085#true} is VALID [2022-02-20 18:47:27,704 INFO L290 TraceCheckUtils]: 19: Hoare triple {21085#true} assume 0 == ~mode4~0 % 256; {21085#true} is VALID [2022-02-20 18:47:27,704 INFO L290 TraceCheckUtils]: 20: Hoare triple {21085#true} assume ~id1~0 != ~id2~0; {21085#true} is VALID [2022-02-20 18:47:27,704 INFO L290 TraceCheckUtils]: 21: Hoare triple {21085#true} assume ~id1~0 != ~id3~0; {21085#true} is VALID [2022-02-20 18:47:27,705 INFO L290 TraceCheckUtils]: 22: Hoare triple {21085#true} assume ~id1~0 != ~id4~0; {21085#true} is VALID [2022-02-20 18:47:27,705 INFO L290 TraceCheckUtils]: 23: Hoare triple {21085#true} assume ~id2~0 != ~id3~0; {21085#true} is VALID [2022-02-20 18:47:27,705 INFO L290 TraceCheckUtils]: 24: Hoare triple {21085#true} assume ~id2~0 != ~id4~0; {21085#true} is VALID [2022-02-20 18:47:27,705 INFO L290 TraceCheckUtils]: 25: Hoare triple {21085#true} assume ~id3~0 != ~id4~0;main_~init__tmp~0#1 := 1;~__return_19080~0 := main_~init__tmp~0#1;main_~main__i2~0#1 := ~__return_19080~0; {21085#true} is VALID [2022-02-20 18:47:27,705 INFO L290 TraceCheckUtils]: 26: Hoare triple {21085#true} assume 0 != main_~main__i2~0#1;~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~nomsg~0;~p4_new~0 := ~nomsg~0;main_~main__i2~0#1 := 0;havoc main_~node1__m1~0#1;main_~node1__m1~0#1 := ~nomsg~0; {21085#true} is VALID [2022-02-20 18:47:27,705 INFO L290 TraceCheckUtils]: 27: Hoare triple {21085#true} assume !!(0 == ~mode1~0 % 256); {21085#true} is VALID [2022-02-20 18:47:27,706 INFO L290 TraceCheckUtils]: 28: Hoare triple {21085#true} assume !!(0 == ~alive1~0 % 256); {21085#true} is VALID [2022-02-20 18:47:27,706 INFO L290 TraceCheckUtils]: 29: Hoare triple {21085#true} assume !(~send1~0 != ~id1~0); {21085#true} is VALID [2022-02-20 18:47:27,706 INFO L290 TraceCheckUtils]: 30: Hoare triple {21085#true} ~mode1~0 := 1;havoc main_~node2__m2~5#1;main_~node2__m2~5#1 := ~nomsg~0; {21085#true} is VALID [2022-02-20 18:47:27,706 INFO L290 TraceCheckUtils]: 31: Hoare triple {21085#true} assume !!(0 == ~mode2~0 % 256); {21085#true} is VALID [2022-02-20 18:47:27,706 INFO L290 TraceCheckUtils]: 32: Hoare triple {21085#true} assume !(0 == ~alive2~0 % 256);havoc main_~node2____CPAchecker_TMP_0~3#1; {21085#true} is VALID [2022-02-20 18:47:27,707 INFO L290 TraceCheckUtils]: 33: Hoare triple {21085#true} assume !(~send2~0 != ~nomsg~0);main_~node2____CPAchecker_TMP_0~3#1 := ~p2_new~0;~p2_new~0 := (if main_~node2____CPAchecker_TMP_0~3#1 % 256 <= 127 then main_~node2____CPAchecker_TMP_0~3#1 % 256 else main_~node2____CPAchecker_TMP_0~3#1 % 256 - 256);~mode2~0 := 1;havoc main_~node3__m3~12#1;main_~node3__m3~12#1 := ~nomsg~0; {21085#true} is VALID [2022-02-20 18:47:27,707 INFO L290 TraceCheckUtils]: 34: Hoare triple {21085#true} assume !!(0 == ~mode3~0 % 256); {21085#true} is VALID [2022-02-20 18:47:27,708 INFO L290 TraceCheckUtils]: 35: Hoare triple {21085#true} assume !!(0 == ~alive3~0 % 256); {21087#(= (+ (* (- 256) (div ~alive3~0 256)) ~alive3~0) 0)} is VALID [2022-02-20 18:47:27,708 INFO L290 TraceCheckUtils]: 36: Hoare triple {21087#(= (+ (* (- 256) (div ~alive3~0 256)) ~alive3~0) 0)} assume !(~send3~0 != ~id3~0);~mode3~0 := 1;havoc main_~node4__m4~40#1;main_~node4__m4~40#1 := ~nomsg~0; {21087#(= (+ (* (- 256) (div ~alive3~0 256)) ~alive3~0) 0)} is VALID [2022-02-20 18:47:27,709 INFO L290 TraceCheckUtils]: 37: Hoare triple {21087#(= (+ (* (- 256) (div ~alive3~0 256)) ~alive3~0) 0)} assume !!(0 == ~mode4~0 % 256); {21087#(= (+ (* (- 256) (div ~alive3~0 256)) ~alive3~0) 0)} is VALID [2022-02-20 18:47:27,709 INFO L290 TraceCheckUtils]: 38: Hoare triple {21087#(= (+ (* (- 256) (div ~alive3~0 256)) ~alive3~0) 0)} assume !!(0 == ~alive4~0 % 256); {21087#(= (+ (* (- 256) (div ~alive3~0 256)) ~alive3~0) 0)} is VALID [2022-02-20 18:47:27,710 INFO L290 TraceCheckUtils]: 39: Hoare triple {21087#(= (+ (* (- 256) (div ~alive3~0 256)) ~alive3~0) 0)} assume !(~send4~0 != ~id4~0);~mode4~0 := 1;~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;havoc main_~check__tmp~143#1; {21087#(= (+ (* (- 256) (div ~alive3~0 256)) ~alive3~0) 0)} is VALID [2022-02-20 18:47:27,710 INFO L290 TraceCheckUtils]: 40: Hoare triple {21087#(= (+ (* (- 256) (div ~alive3~0 256)) ~alive3~0) 0)} assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 <= 1; {21087#(= (+ (* (- 256) (div ~alive3~0 256)) ~alive3~0) 0)} is VALID [2022-02-20 18:47:27,711 INFO L290 TraceCheckUtils]: 41: Hoare triple {21087#(= (+ (* (- 256) (div ~alive3~0 256)) ~alive3~0) 0)} assume ~r1~0 % 256 < 4;main_~check__tmp~143#1 := 1;~__return_24225~0 := main_~check__tmp~143#1;main_~main__c1~0#1 := ~__return_24225~0;havoc main_~__tmp_140~0#1;main_~__tmp_140~0#1 := (if 0 == main_~main__c1~0#1 then 0 else 1);havoc main_~assert__arg~139#1;main_~assert__arg~139#1 := main_~__tmp_140~0#1; {21087#(= (+ (* (- 256) (div ~alive3~0 256)) ~alive3~0) 0)} is VALID [2022-02-20 18:47:27,711 INFO L290 TraceCheckUtils]: 42: Hoare triple {21087#(= (+ (* (- 256) (div ~alive3~0 256)) ~alive3~0) 0)} assume !(0 == main_~assert__arg~139#1 % 256); {21087#(= (+ (* (- 256) (div ~alive3~0 256)) ~alive3~0) 0)} is VALID [2022-02-20 18:47:27,712 INFO L290 TraceCheckUtils]: 43: Hoare triple {21087#(= (+ (* (- 256) (div ~alive3~0 256)) ~alive3~0) 0)} havoc main_~node1__m1~1#1;main_~node1__m1~1#1 := ~nomsg~0; {21087#(= (+ (* (- 256) (div ~alive3~0 256)) ~alive3~0) 0)} is VALID [2022-02-20 18:47:27,712 INFO L290 TraceCheckUtils]: 44: Hoare triple {21087#(= (+ (* (- 256) (div ~alive3~0 256)) ~alive3~0) 0)} assume !(0 == ~mode1~0 % 256); {21087#(= (+ (* (- 256) (div ~alive3~0 256)) ~alive3~0) 0)} is VALID [2022-02-20 18:47:27,713 INFO L290 TraceCheckUtils]: 45: Hoare triple {21087#(= (+ (* (- 256) (div ~alive3~0 256)) ~alive3~0) 0)} assume !(255 == ~r1~0 % 256);~r1~0 := 1 + ~r1~0 % 256;main_~node1__m1~1#1 := ~p4_old~0;~p4_old~0 := ~nomsg~0; {21087#(= (+ (* (- 256) (div ~alive3~0 256)) ~alive3~0) 0)} is VALID [2022-02-20 18:47:27,714 INFO L290 TraceCheckUtils]: 46: Hoare triple {21087#(= (+ (* (- 256) (div ~alive3~0 256)) ~alive3~0) 0)} assume !(main_~node1__m1~1#1 != ~nomsg~0);~mode1~0 := 0; {21087#(= (+ (* (- 256) (div ~alive3~0 256)) ~alive3~0) 0)} is VALID [2022-02-20 18:47:27,715 INFO L290 TraceCheckUtils]: 47: Hoare triple {21087#(= (+ (* (- 256) (div ~alive3~0 256)) ~alive3~0) 0)} havoc main_~node2__m2~1#1;main_~node2__m2~1#1 := ~nomsg~0; {21087#(= (+ (* (- 256) (div ~alive3~0 256)) ~alive3~0) 0)} is VALID [2022-02-20 18:47:27,720 INFO L290 TraceCheckUtils]: 48: Hoare triple {21087#(= (+ (* (- 256) (div ~alive3~0 256)) ~alive3~0) 0)} assume !(0 == ~mode2~0 % 256);main_~node2__m2~1#1 := ~p1_old~0;~p1_old~0 := ~nomsg~0; {21087#(= (+ (* (- 256) (div ~alive3~0 256)) ~alive3~0) 0)} is VALID [2022-02-20 18:47:27,721 INFO L290 TraceCheckUtils]: 49: Hoare triple {21087#(= (+ (* (- 256) (div ~alive3~0 256)) ~alive3~0) 0)} assume main_~node2__m2~1#1 != ~nomsg~0; {21087#(= (+ (* (- 256) (div ~alive3~0 256)) ~alive3~0) 0)} is VALID [2022-02-20 18:47:27,722 INFO L290 TraceCheckUtils]: 50: Hoare triple {21087#(= (+ (* (- 256) (div ~alive3~0 256)) ~alive3~0) 0)} assume !(0 == ~alive2~0 % 256); {21087#(= (+ (* (- 256) (div ~alive3~0 256)) ~alive3~0) 0)} is VALID [2022-02-20 18:47:27,723 INFO L290 TraceCheckUtils]: 51: Hoare triple {21087#(= (+ (* (- 256) (div ~alive3~0 256)) ~alive3~0) 0)} assume !(main_~node2__m2~1#1 > ~id2~0); {21087#(= (+ (* (- 256) (div ~alive3~0 256)) ~alive3~0) 0)} is VALID [2022-02-20 18:47:27,725 INFO L290 TraceCheckUtils]: 52: Hoare triple {21087#(= (+ (* (- 256) (div ~alive3~0 256)) ~alive3~0) 0)} assume main_~node2__m2~1#1 == ~id2~0;~st2~0 := 1;~mode2~0 := 0;havoc main_~node3__m3~3#1;main_~node3__m3~3#1 := ~nomsg~0; {21087#(= (+ (* (- 256) (div ~alive3~0 256)) ~alive3~0) 0)} is VALID [2022-02-20 18:47:27,726 INFO L290 TraceCheckUtils]: 53: Hoare triple {21087#(= (+ (* (- 256) (div ~alive3~0 256)) ~alive3~0) 0)} assume !(0 == ~mode3~0 % 256);main_~node3__m3~3#1 := ~p2_old~0;~p2_old~0 := ~nomsg~0; {21087#(= (+ (* (- 256) (div ~alive3~0 256)) ~alive3~0) 0)} is VALID [2022-02-20 18:47:27,729 INFO L290 TraceCheckUtils]: 54: Hoare triple {21087#(= (+ (* (- 256) (div ~alive3~0 256)) ~alive3~0) 0)} assume main_~node3__m3~3#1 != ~nomsg~0; {21087#(= (+ (* (- 256) (div ~alive3~0 256)) ~alive3~0) 0)} is VALID [2022-02-20 18:47:27,729 INFO L290 TraceCheckUtils]: 55: Hoare triple {21087#(= (+ (* (- 256) (div ~alive3~0 256)) ~alive3~0) 0)} assume !(0 == ~alive3~0 % 256); {21086#false} is VALID [2022-02-20 18:47:27,730 INFO L290 TraceCheckUtils]: 56: Hoare triple {21086#false} assume !(main_~node3__m3~3#1 > ~id3~0); {21086#false} is VALID [2022-02-20 18:47:27,730 INFO L290 TraceCheckUtils]: 57: Hoare triple {21086#false} assume main_~node3__m3~3#1 == ~id3~0;~st3~0 := 1;~mode3~0 := 0;havoc main_~node4__m4~5#1;main_~node4__m4~5#1 := ~nomsg~0; {21086#false} is VALID [2022-02-20 18:47:27,731 INFO L290 TraceCheckUtils]: 58: Hoare triple {21086#false} assume !(0 == ~mode4~0 % 256);main_~node4__m4~5#1 := ~p3_old~0;~p3_old~0 := ~nomsg~0; {21086#false} is VALID [2022-02-20 18:47:27,732 INFO L290 TraceCheckUtils]: 59: Hoare triple {21086#false} assume !(main_~node4__m4~5#1 != ~nomsg~0);~mode4~0 := 0; {21086#false} is VALID [2022-02-20 18:47:27,732 INFO L290 TraceCheckUtils]: 60: Hoare triple {21086#false} ~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;havoc main_~check__tmp~8#1; {21086#false} is VALID [2022-02-20 18:47:27,732 INFO L290 TraceCheckUtils]: 61: Hoare triple {21086#false} assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 <= 1);main_~check__tmp~8#1 := 0;~__return_22543~0 := main_~check__tmp~8#1;main_~main__c1~0#1 := ~__return_22543~0;havoc main_~__tmp_9~0#1;main_~__tmp_9~0#1 := (if 0 == main_~main__c1~0#1 then 0 else 1);havoc main_~assert__arg~8#1;main_~assert__arg~8#1 := main_~__tmp_9~0#1; {21086#false} is VALID [2022-02-20 18:47:27,733 INFO L290 TraceCheckUtils]: 62: Hoare triple {21086#false} assume 0 == main_~assert__arg~8#1 % 256; {21086#false} is VALID [2022-02-20 18:47:27,733 INFO L290 TraceCheckUtils]: 63: Hoare triple {21086#false} assume !false; {21086#false} is VALID [2022-02-20 18:47:27,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 18:47:27,734 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 18:47:27,734 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [721447593] [2022-02-20 18:47:27,734 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [721447593] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 18:47:27,735 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 18:47:27,735 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-20 18:47:27,735 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [133621818] [2022-02-20 18:47:27,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 18:47:27,738 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2022-02-20 18:47:27,739 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 18:47:27,739 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 18:47:27,787 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 64 edges. 64 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:47:27,788 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-20 18:47:27,788 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 18:47:27,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-20 18:47:27,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 18:47:27,789 INFO L87 Difference]: Start difference. First operand 1792 states and 2436 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 18:47:30,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:47:30,099 INFO L93 Difference]: Finished difference Result 3258 states and 4588 transitions. [2022-02-20 18:47:30,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-20 18:47:30,099 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2022-02-20 18:47:30,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 18:47:30,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 18:47:30,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1629 transitions. [2022-02-20 18:47:30,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 18:47:30,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1629 transitions. [2022-02-20 18:47:30,110 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 1629 transitions. [2022-02-20 18:47:31,144 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 1629 edges. 1629 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:47:31,362 INFO L225 Difference]: With dead ends: 3258 [2022-02-20 18:47:31,362 INFO L226 Difference]: Without dead ends: 2458 [2022-02-20 18:47:31,363 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 18:47:31,364 INFO L933 BasicCegarLoop]: 1081 mSDtfsCounter, 553 mSDsluCounter, 716 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 553 SdHoareTripleChecker+Valid, 1797 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-20 18:47:31,364 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [553 Valid, 1797 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 18:47:31,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2458 states. [2022-02-20 18:47:32,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2458 to 2450. [2022-02-20 18:47:32,219 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 18:47:32,223 INFO L82 GeneralOperation]: Start isEquivalent. First operand 2458 states. Second operand has 2450 states, 2443 states have (on average 1.3835448219402373) internal successors, (3380), 2449 states have internal predecessors, (3380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 18:47:32,224 INFO L74 IsIncluded]: Start isIncluded. First operand 2458 states. Second operand has 2450 states, 2443 states have (on average 1.3835448219402373) internal successors, (3380), 2449 states have internal predecessors, (3380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 18:47:32,226 INFO L87 Difference]: Start difference. First operand 2458 states. Second operand has 2450 states, 2443 states have (on average 1.3835448219402373) internal successors, (3380), 2449 states have internal predecessors, (3380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 18:47:32,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:47:32,411 INFO L93 Difference]: Finished difference Result 2458 states and 3384 transitions. [2022-02-20 18:47:32,412 INFO L276 IsEmpty]: Start isEmpty. Operand 2458 states and 3384 transitions. [2022-02-20 18:47:32,418 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:47:32,418 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:47:32,422 INFO L74 IsIncluded]: Start isIncluded. First operand has 2450 states, 2443 states have (on average 1.3835448219402373) internal successors, (3380), 2449 states have internal predecessors, (3380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 2458 states. [2022-02-20 18:47:32,424 INFO L87 Difference]: Start difference. First operand has 2450 states, 2443 states have (on average 1.3835448219402373) internal successors, (3380), 2449 states have internal predecessors, (3380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 2458 states. [2022-02-20 18:47:32,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:47:32,635 INFO L93 Difference]: Finished difference Result 2458 states and 3384 transitions. [2022-02-20 18:47:32,635 INFO L276 IsEmpty]: Start isEmpty. Operand 2458 states and 3384 transitions. [2022-02-20 18:47:32,638 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:47:32,638 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:47:32,638 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 18:47:32,638 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 18:47:32,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2450 states, 2443 states have (on average 1.3835448219402373) internal successors, (3380), 2449 states have internal predecessors, (3380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 18:47:32,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2450 states to 2450 states and 3380 transitions. [2022-02-20 18:47:32,908 INFO L78 Accepts]: Start accepts. Automaton has 2450 states and 3380 transitions. Word has length 64 [2022-02-20 18:47:32,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 18:47:32,908 INFO L470 AbstractCegarLoop]: Abstraction has 2450 states and 3380 transitions. [2022-02-20 18:47:32,908 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 18:47:32,909 INFO L276 IsEmpty]: Start isEmpty. Operand 2450 states and 3380 transitions. [2022-02-20 18:47:32,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-02-20 18:47:32,911 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 18:47:32,912 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 18:47:32,912 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-20 18:47:32,912 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2022-02-20 18:47:32,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 18:47:32,913 INFO L85 PathProgramCache]: Analyzing trace with hash -1847708861, now seen corresponding path program 1 times [2022-02-20 18:47:32,913 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 18:47:32,913 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1162789091] [2022-02-20 18:47:32,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 18:47:32,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 18:47:32,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:47:33,006 INFO L290 TraceCheckUtils]: 0: Hoare triple {33063#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(63, 2);call #Ultimate.allocInit(12, 3);~__return_main~0 := 0;~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~alive1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~alive2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~alive3~0 := 0;~p4~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~send4~0 := 0;~mode4~0 := 0;~alive4~0 := 0;~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[0 := #funAddr~node1.base], ~nodes~0.offset[0 := #funAddr~node1.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[1 := #funAddr~node2.base], ~nodes~0.offset[1 := #funAddr~node2.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[2 := #funAddr~node3.base], ~nodes~0.offset[2 := #funAddr~node3.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[3 := #funAddr~node4.base], ~nodes~0.offset[3 := #funAddr~node4.offset];~__return_19080~0 := 0;~__return_22830~0 := 0;~__return_19254~0 := 0;~__return_19337~0 := 0;~__return_19754~0 := 0;~__return_20306~0 := 0;~__return_20551~0 := 0;~__return_21733~0 := 0;~__return_21990~0 := 0;~__return_22543~0 := 0;~__return_22792~0 := 0;~__return_19596~0 := 0;~__return_19829~0 := 0;~__return_20393~0 := 0;~__return_20629~0 := 0;~__return_21832~0 := 0;~__return_22068~0 := 0;~__return_22633~0 := 0;~__return_22752~0 := 0;~__return_22911~0 := 0;~__return_22878~0 := 0;~__return_22581~0 := 0;~__return_22492~0 := 0;~__return_22703~0 := 0;~__return_22670~0 := 0;~__return_23135~0 := 0;~__return_23104~0 := 0;~__return_23198~0 := 0;~__return_23165~0 := 0;~__return_22990~0 := 0;~__return_22959~0 := 0;~__return_23053~0 := 0;~__return_23020~0 := 0;~__return_22028~0 := 0;~__return_21951~0 := 0;~__return_22138~0 := 0;~__return_22105~0 := 0;~__return_21769~0 := 0;~__return_21668~0 := 0;~__return_21902~0 := 0;~__return_21869~0 := 0;~__return_22362~0 := 0;~__return_22331~0 := 0;~__return_22425~0 := 0;~__return_22392~0 := 0;~__return_22217~0 := 0;~__return_22186~0 := 0;~__return_22280~0 := 0;~__return_22247~0 := 0;~__return_23438~0 := 0;~__return_23407~0 := 0;~__return_23501~0 := 0;~__return_23468~0 := 0;~__return_23295~0 := 0;~__return_23264~0 := 0;~__return_23358~0 := 0;~__return_23325~0 := 0;~__return_23725~0 := 0;~__return_23694~0 := 0;~__return_23788~0 := 0;~__return_23755~0 := 0;~__return_23580~0 := 0;~__return_23549~0 := 0;~__return_23643~0 := 0;~__return_23610~0 := 0;~__return_20589~0 := 0;~__return_20512~0 := 0;~__return_20699~0 := 0;~__return_20666~0 := 0;~__return_20342~0 := 0;~__return_20253~0 := 0;~__return_20463~0 := 0;~__return_20430~0 := 0;~__return_20923~0 := 0;~__return_20892~0 := 0;~__return_20986~0 := 0;~__return_20953~0 := 0;~__return_20778~0 := 0;~__return_20747~0 := 0;~__return_20841~0 := 0;~__return_20808~0 := 0;~__return_19790~0 := 0;~__return_19713~0 := 0;~__return_19899~0 := 0;~__return_19866~0 := 0;~__return_19519~0 := 0;~__return_19179~0 := 0;~__return_19664~0 := 0;~__return_19631~0 := 0;~__return_20123~0 := 0;~__return_20092~0 := 0;~__return_20186~0 := 0;~__return_20153~0 := 0;~__return_19978~0 := 0;~__return_19947~0 := 0;~__return_20041~0 := 0;~__return_20008~0 := 0;~__return_21226~0 := 0;~__return_21195~0 := 0;~__return_21289~0 := 0;~__return_21256~0 := 0;~__return_21083~0 := 0;~__return_21052~0 := 0;~__return_21146~0 := 0;~__return_21113~0 := 0;~__return_21513~0 := 0;~__return_21482~0 := 0;~__return_21576~0 := 0;~__return_21543~0 := 0;~__return_21368~0 := 0;~__return_21337~0 := 0;~__return_21431~0 := 0;~__return_21398~0 := 0;~__return_24644~0 := 0;~__return_24613~0 := 0;~__return_24707~0 := 0;~__return_24674~0 := 0;~__return_24501~0 := 0;~__return_24470~0 := 0;~__return_24564~0 := 0;~__return_24531~0 := 0;~__return_24931~0 := 0;~__return_24900~0 := 0;~__return_24994~0 := 0;~__return_24961~0 := 0;~__return_24786~0 := 0;~__return_24755~0 := 0;~__return_24849~0 := 0;~__return_24816~0 := 0;~__return_24053~0 := 0;~__return_24022~0 := 0;~__return_24116~0 := 0;~__return_24083~0 := 0;~__return_23910~0 := 0;~__return_23879~0 := 0;~__return_23973~0 := 0;~__return_23940~0 := 0;~__return_24340~0 := 0;~__return_24309~0 := 0;~__return_24403~0 := 0;~__return_24370~0 := 0;~__return_24195~0 := 0;~__return_24164~0 := 0;~__return_24258~0 := 0;~__return_24225~0 := 0;~__return_25234~0 := 0;~__return_25203~0 := 0;~__return_25297~0 := 0;~__return_25264~0 := 0;~__return_25091~0 := 0;~__return_25060~0 := 0;~__return_25154~0 := 0;~__return_25121~0 := 0;~__return_25521~0 := 0;~__return_25490~0 := 0;~__return_25584~0 := 0;~__return_25551~0 := 0;~__return_25376~0 := 0;~__return_25345~0 := 0;~__return_25439~0 := 0;~__return_25406~0 := 0; {33065#(<= (+ ~nomsg~0 1) 0)} is VALID [2022-02-20 18:47:33,007 INFO L290 TraceCheckUtils]: 1: Hoare triple {33065#(<= (+ ~nomsg~0 1) 0)} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_~__tmp_3~0#1, main_~assert__arg~2#1, main_~check__tmp~2#1, main_~node4____CPAchecker_TMP_0~1#1, main_~node4____CPAchecker_TMP_1~0#1, main_~node4__m4~2#1, main_~node3____CPAchecker_TMP_0~1#1, main_~node3____CPAchecker_TMP_1~0#1, main_~node3__m3~2#1, main_~node2____CPAchecker_TMP_0~1#1, main_~node2____CPAchecker_TMP_1~0#1, main_~node2__m2~2#1, main_~node1____CPAchecker_TMP_0~1#1, main_~node1____CPAchecker_TMP_1~0#1, main_~node1__m1~2#1, main_~__tmp_2~0#1, main_~assert__arg~1#1, main_~check__tmp~1#1, main_~__tmp_4~0#1, main_~assert__arg~3#1, main_~check__tmp~3#1, main_~node4__m4~1#1, main_~__tmp_5~0#1, main_~assert__arg~4#1, main_~check__tmp~4#1, main_~__tmp_6~0#1, main_~assert__arg~5#1, main_~check__tmp~5#1, main_~node4__m4~3#1, main_~node3__m3~1#1, main_~__tmp_7~0#1, main_~assert__arg~6#1, main_~check__tmp~6#1, main_~__tmp_8~0#1, main_~assert__arg~7#1, main_~check__tmp~7#1, main_~node4__m4~4#1, main_~__tmp_9~0#1, main_~assert__arg~8#1, main_~check__tmp~8#1, main_~check__tmp~9#1, main_~node4__m4~5#1, main_~node3__m3~3#1, main_~node2__m2~1#1, main_~__tmp_10~0#1, main_~assert__arg~9#1, main_~check__tmp~10#1, main_~__tmp_11~0#1, main_~assert__arg~10#1, main_~check__tmp~11#1, main_~node4__m4~6#1, main_~__tmp_12~0#1, main_~assert__arg~11#1, main_~check__tmp~12#1, main_~check__tmp~13#1, main_~node4__m4~7#1, main_~node3__m3~4#1, main_~__tmp_13~0#1, main_~assert__arg~12#1, main_~check__tmp~14#1, main_~check__tmp~15#1, main_~node4__m4~8#1, main_~check__tmp~16#1, main_~node4__m4~9#1, main_~node3__m3~5#1, main_~node2__m2~3#1, main_~node1__m1~1#1, main_~__tmp_1~0#1, main_~assert__arg~0#1, main_~check__tmp~0#1, main_~__tmp_14~0#1, main_~assert__arg~13#1, main_~check__tmp~17#1, main_~node4____CPAchecker_TMP_0~0#1, main_~__tmp_15~0#1, main_~assert__arg~14#1, main_~check__tmp~18#1, main_~node4____CPAchecker_TMP_1~1#1, main_~__tmp_16~0#1, main_~assert__arg~15#1, main_~check__tmp~19#1, main_~node4__m4~0#1, main_~__tmp_17~0#1, main_~assert__arg~16#1, main_~check__tmp~20#1, main_~__tmp_18~0#1, main_~assert__arg~17#1, main_~check__tmp~21#1, main_~node4____CPAchecker_TMP_0~2#1, main_~__tmp_19~0#1, main_~assert__arg~18#1, main_~check__tmp~22#1, main_~node4____CPAchecker_TMP_1~2#1, main_~__tmp_20~0#1, main_~assert__arg~19#1, main_~check__tmp~23#1, main_~node4__m4~10#1, main_~node3____CPAchecker_TMP_0~0#1, main_~__tmp_21~0#1, main_~assert__arg~20#1, main_~check__tmp~24#1, main_~__tmp_22~0#1, main_~assert__arg~21#1, main_~check__tmp~25#1, main_~node4____CPAchecker_TMP_0~3#1, main_~__tmp_23~0#1, main_~assert__arg~22#1, main_~check__tmp~26#1, main_~node4____CPAchecker_TMP_1~3#1, main_~__tmp_24~0#1, main_~assert__arg~23#1, main_~check__tmp~27#1, main_~node4__m4~11#1, main_~node3____CPAchecker_TMP_1~1#1, main_~__tmp_25~0#1, main_~assert__arg~24#1, main_~check__tmp~28#1, main_~__tmp_26~0#1, main_~assert__arg~25#1, main_~check__tmp~29#1, main_~node4____CPAchecker_TMP_0~4#1, main_~__tmp_27~0#1, main_~assert__arg~26#1, main_~check__tmp~30#1, main_~node4____CPAchecker_TMP_1~4#1, main_~__tmp_28~0#1, main_~assert__arg~27#1, main_~check__tmp~31#1, main_~node4__m4~12#1, main_~node3__m3~0#1, main_~__tmp_29~0#1, main_~assert__arg~28#1, main_~check__tmp~32#1, main_~__tmp_30~0#1, main_~assert__arg~29#1, main_~check__tmp~33#1, main_~node4____CPAchecker_TMP_0~5#1, main_~__tmp_31~0#1, main_~assert__arg~30#1, main_~check__tmp~34#1, main_~node4____CPAchecker_TMP_1~5#1, main_~__tmp_32~0#1, main_~assert__arg~31#1, main_~check__tmp~35#1, main_~node4__m4~13#1, main_~__tmp_33~0#1, main_~assert__arg~32#1, main_~check__tmp~36#1, main_~__tmp_34~0#1, main_~assert__arg~33#1, main_~check__tmp~37#1, main_~node4____CPAchecker_TMP_0~6#1, main_~__tmp_35~0#1, main_~assert__arg~34#1, main_~check__tmp~38#1, main_~node4____CPAchecker_TMP_1~6#1, main_~__tmp_36~0#1, main_~assert__arg~35#1, main_~check__tmp~39#1, main_~node4__m4~14#1, main_~node3____CPAchecker_TMP_0~2#1, main_~__tmp_37~0#1, main_~assert__arg~36#1, main_~check__tmp~40#1, main_~__tmp_38~0#1, main_~assert__arg~37#1, main_~check__tmp~41#1, main_~node4____CPAchecker_TMP_0~7#1, main_~__tmp_39~0#1, main_~assert__arg~38#1, main_~check__tmp~42#1, main_~node4____CPAchecker_TMP_1~7#1, main_~__tmp_40~0#1, main_~assert__arg~39#1, main_~check__tmp~43#1, main_~node4__m4~15#1, main_~node3____CPAchecker_TMP_1~2#1, main_~__tmp_41~0#1, main_~assert__arg~40#1, main_~check__tmp~44#1, main_~__tmp_42~0#1, main_~assert__arg~41#1, main_~check__tmp~45#1, main_~node4____CPAchecker_TMP_0~8#1, main_~__tmp_43~0#1, main_~assert__arg~42#1, main_~check__tmp~46#1, main_~node4____CPAchecker_TMP_1~8#1, main_~__tmp_44~0#1, main_~assert__arg~43#1, main_~check__tmp~47#1, main_~node4__m4~16#1, main_~node3__m3~6#1, main_~node2____CPAchecker_TMP_0~0#1, main_~__tmp_45~0#1, main_~assert__arg~44#1, main_~check__tmp~48#1, main_~__tmp_46~0#1, main_~assert__arg~45#1, main_~check__tmp~49#1, main_~node4____CPAchecker_TMP_0~9#1, main_~__tmp_47~0#1, main_~assert__arg~46#1, main_~check__tmp~50#1, main_~node4____CPAchecker_TMP_1~9#1, main_~__tmp_48~0#1, main_~assert__arg~47#1, main_~check__tmp~51#1, main_~node4__m4~17#1, main_~__tmp_49~0#1, main_~assert__arg~48#1, main_~check__tmp~52#1, main_~__tmp_50~0#1, main_~assert__arg~49#1, main_~check__tmp~53#1, main_~node4____CPAchecker_TMP_0~10#1, main_~__tmp_51~0#1, main_~assert__arg~50#1, main_~check__tmp~54#1, main_~node4____CPAchecker_TMP_1~10#1, main_~__tmp_52~0#1, main_~assert__arg~51#1, main_~check__tmp~55#1, main_~node4__m4~18#1, main_~node3____CPAchecker_TMP_0~3#1, main_~__tmp_53~0#1, main_~assert__arg~52#1, main_~check__tmp~56#1, main_~__tmp_54~0#1, main_~assert__arg~53#1, main_~check__tmp~57#1, main_~node4____CPAchecker_TMP_0~11#1, main_~__tmp_55~0#1, main_~assert__arg~54#1, main_~check__tmp~58#1, main_~node4____CPAchecker_TMP_1~11#1, main_~__tmp_56~0#1, main_~assert__arg~55#1, main_~check__tmp~59#1, main_~node4__m4~19#1, main_~node3____CPAchecker_TMP_1~3#1, main_~__tmp_57~0#1, main_~assert__arg~56#1, main_~check__tmp~60#1, main_~__tmp_58~0#1, main_~assert__arg~57#1, main_~check__tmp~61#1, main_~node4____CPAchecker_TMP_0~12#1, main_~__tmp_59~0#1, main_~assert__arg~58#1, main_~check__tmp~62#1, main_~node4____CPAchecker_TMP_1~12#1, main_~__tmp_60~0#1, main_~assert__arg~59#1, main_~check__tmp~63#1, main_~node4__m4~20#1, main_~node3__m3~7#1, main_~node2____CPAchecker_TMP_1~1#1, main_~node2__m2~0#1, main_~__tmp_61~0#1, main_~assert__arg~60#1, main_~check__tmp~64#1, main_~__tmp_62~0#1, main_~assert__arg~61#1, main_~check__tmp~65#1, main_~node4____CPAchecker_TMP_0~13#1, main_~__tmp_63~0#1, main_~assert__arg~62#1, main_~check__tmp~66#1, main_~node4____CPAchecker_TMP_1~13#1, main_~__tmp_64~0#1, main_~assert__arg~63#1, main_~check__tmp~67#1, main_~node4__m4~21#1, main_~__tmp_65~0#1, main_~assert__arg~64#1, main_~check__tmp~68#1, main_~__tmp_66~0#1, main_~assert__arg~65#1, main_~check__tmp~69#1, main_~node4____CPAchecker_TMP_0~14#1, main_~__tmp_67~0#1, main_~assert__arg~66#1, main_~check__tmp~70#1, main_~node4____CPAchecker_TMP_1~14#1, main_~__tmp_68~0#1, main_~assert__arg~67#1, main_~check__tmp~71#1, main_~node4__m4~22#1, main_~node3____CPAchecker_TMP_0~4#1, main_~__tmp_69~0#1, main_~assert__arg~68#1, main_~check__tmp~72#1, main_~__tmp_70~0#1, main_~assert__arg~69#1, main_~check__tmp~73#1, main_~node4____CPAchecker_TMP_0~15#1, main_~__tmp_71~0#1, main_~assert__arg~70#1, main_~check__tmp~74#1, main_~node4____CPAchecker_TMP_1~15#1, main_~__tmp_72~0#1, main_~assert__arg~71#1, main_~check__tmp~75#1, main_~node4__m4~23#1, main_~node3____CPAchecker_TMP_1~4#1, main_~__tmp_73~0#1, main_~assert__arg~72#1, main_~check__tmp~76#1, main_~__tmp_74~0#1, main_~assert__arg~73#1, main_~check__tmp~77#1, main_~node4____CPAchecker_TMP_0~16#1, main_~__tmp_75~0#1, main_~assert__arg~74#1, main_~check__tmp~78#1, main_~node4____CPAchecker_TMP_1~16#1, main_~__tmp_76~0#1, main_~assert__arg~75#1, main_~check__tmp~79#1, main_~node4__m4~24#1, main_~node3__m3~8#1, main_~__tmp_77~0#1, main_~assert__arg~76#1, main_~check__tmp~80#1, main_~__tmp_78~0#1, main_~assert__arg~77#1, main_~check__tmp~81#1, main_~node4____CPAchecker_TMP_0~17#1, main_~__tmp_79~0#1, main_~assert__arg~78#1, main_~check__tmp~82#1, main_~node4____CPAchecker_TMP_1~17#1, main_~__tmp_80~0#1, main_~assert__arg~79#1, main_~check__tmp~83#1, main_~node4__m4~25#1, main_~__tmp_81~0#1, main_~assert__arg~80#1, main_~check__tmp~84#1, main_~__tmp_82~0#1, main_~assert__arg~81#1, main_~check__tmp~85#1, main_~node4____CPAchecker_TMP_0~18#1, main_~__tmp_83~0#1, main_~assert__arg~82#1, main_~check__tmp~86#1, main_~node4____CPAchecker_TMP_1~18#1, main_~__tmp_84~0#1, main_~assert__arg~83#1, main_~check__tmp~87#1, main_~node4__m4~26#1, main_~node3____CPAchecker_TMP_0~5#1, main_~__tmp_85~0#1, main_~assert__arg~84#1, main_~check__tmp~88#1, main_~__tmp_86~0#1, main_~assert__arg~85#1, main_~check__tmp~89#1, main_~node4____CPAchecker_TMP_0~19#1, main_~__tmp_87~0#1, main_~assert__arg~86#1, main_~check__tmp~90#1, main_~node4____CPAchecker_TMP_1~19#1, main_~__tmp_88~0#1, main_~assert__arg~87#1, main_~check__tmp~91#1, main_~node4__m4~27#1, main_~node3____CPAchecker_TMP_1~5#1, main_~__tmp_89~0#1, main_~assert__arg~88#1, main_~check__tmp~92#1, main_~__tmp_90~0#1, main_~assert__arg~89#1, main_~check__tmp~93#1, main_~node4____CPAchecker_TMP_0~20#1, main_~__tmp_91~0#1, main_~assert__arg~90#1, main_~check__tmp~94#1, main_~node4____CPAchecker_TMP_1~20#1, main_~__tmp_92~0#1, main_~assert__arg~91#1, main_~check__tmp~95#1, main_~node4__m4~28#1, main_~node3__m3~9#1, main_~node2____CPAchecker_TMP_0~2#1, main_~__tmp_93~0#1, main_~assert__arg~92#1, main_~check__tmp~96#1, main_~__tmp_94~0#1, main_~assert__arg~93#1, main_~check__tmp~97#1, main_~node4____CPAchecker_TMP_0~21#1, main_~__tmp_95~0#1, main_~assert__arg~94#1, main_~check__tmp~98#1, main_~node4____CPAchecker_TMP_1~21#1, main_~__tmp_96~0#1, main_~assert__arg~95#1, main_~check__tmp~99#1, main_~node4__m4~29#1, main_~__tmp_97~0#1, main_~assert__arg~96#1, main_~check__tmp~100#1, main_~__tmp_98~0#1, main_~assert__arg~97#1, main_~check__tmp~101#1, main_~node4____CPAchecker_TMP_0~22#1, main_~__tmp_99~0#1, main_~assert__arg~98#1, main_~check__tmp~102#1, main_~node4____CPAchecker_TMP_1~22#1, main_~__tmp_100~0#1, main_~assert__arg~99#1, main_~check__tmp~103#1, main_~node4__m4~30#1, main_~node3____CPAchecker_TMP_0~6#1, main_~__tmp_101~0#1, main_~assert__arg~100#1, main_~check__tmp~104#1, main_~__tmp_102~0#1, main_~assert__arg~101#1, main_~check__tmp~105#1, main_~node4____CPAchecker_TMP_0~23#1, main_~__tmp_103~0#1, main_~assert__arg~102#1, main_~check__tmp~106#1, main_~node4____CPAchecker_TMP_1~23#1, main_~__tmp_104~0#1, main_~assert__arg~103#1, main_~check__tmp~107#1, main_~node4__m4~31#1, main_~node3____CPAchecker_TMP_1~6#1, main_~__tmp_105~0#1, main_~assert__arg~104#1, main_~check__tmp~108#1, main_~__tmp_106~0#1, main_~assert__arg~105#1, main_~check__tmp~109#1, main_~node4____CPAchecker_TMP_0~24#1, main_~__tmp_107~0#1, main_~assert__arg~106#1, main_~check__tmp~110#1, main_~node4____CPAchecker_TMP_1~24#1, main_~__tmp_108~0#1, main_~assert__arg~107#1, main_~check__tmp~111#1, main_~node4__m4~32#1, main_~node3__m3~10#1, main_~node2____CPAchecker_TMP_1~2#1, main_~node2__m2~4#1, main_~node1____CPAchecker_TMP_0~0#1, main_~__tmp_109~0#1, main_~assert__arg~108#1, main_~check__tmp~112#1, main_~__tmp_110~0#1, main_~assert__arg~109#1, main_~check__tmp~113#1, main_~node4____CPAchecker_TMP_0~25#1, main_~__tmp_111~0#1, main_~assert__arg~110#1, main_~check__tmp~114#1, main_~node4____CPAchecker_TMP_1~25#1, main_~__tmp_112~0#1, main_~assert__arg~111#1, main_~check__tmp~115#1, main_~node4__m4~33#1, main_~__tmp_113~0#1, main_~assert__arg~112#1, main_~check__tmp~116#1, main_~__tmp_114~0#1, main_~assert__arg~113#1, main_~check__tmp~117#1, main_~node4____CPAchecker_TMP_0~26#1, main_~__tmp_115~0#1, main_~assert__arg~114#1, main_~check__tmp~118#1, main_~node4____CPAchecker_TMP_1~26#1, main_~__tmp_116~0#1, main_~assert__arg~115#1, main_~check__tmp~119#1, main_~node4__m4~34#1, main_~node3____CPAchecker_TMP_0~7#1, main_~__tmp_117~0#1, main_~assert__arg~116#1, main_~check__tmp~120#1, main_~__tmp_118~0#1, main_~assert__arg~117#1, main_~check__tmp~121#1, main_~node4____CPAchecker_TMP_0~27#1, main_~__tmp_119~0#1, main_~assert__arg~118#1, main_~check__tmp~122#1, main_~node4____CPAchecker_TMP_1~27#1, main_~__tmp_120~0#1, main_~assert__arg~119#1, main_~check__tmp~123#1, main_~node4__m4~35#1, main_~node3____CPAchecker_TMP_1~7#1, main_~__tmp_121~0#1, main_~assert__arg~120#1, main_~check__tmp~124#1, main_~__tmp_122~0#1, main_~assert__arg~121#1, main_~check__tmp~125#1, main_~node4____CPAchecker_TMP_0~28#1, main_~__tmp_123~0#1, main_~assert__arg~122#1, main_~check__tmp~126#1, main_~node4____CPAchecker_TMP_1~28#1, main_~__tmp_124~0#1, main_~assert__arg~123#1, main_~check__tmp~127#1, main_~node4__m4~36#1, main_~node3__m3~11#1, main_~__tmp_125~0#1, main_~assert__arg~124#1, main_~check__tmp~128#1, main_~__tmp_126~0#1, main_~assert__arg~125#1, main_~check__tmp~129#1, main_~node4____CPAchecker_TMP_0~29#1, main_~__tmp_127~0#1, main_~assert__arg~126#1, main_~check__tmp~130#1, main_~node4____CPAchecker_TMP_1~29#1, main_~__tmp_128~0#1, main_~assert__arg~127#1, main_~check__tmp~131#1, main_~node4__m4~37#1, main_~__tmp_129~0#1, main_~assert__arg~128#1, main_~check__tmp~132#1, main_~__tmp_130~0#1, main_~assert__arg~129#1, main_~check__tmp~133#1, main_~node4____CPAchecker_TMP_0~30#1, main_~__tmp_131~0#1, main_~assert__arg~130#1, main_~check__tmp~134#1, main_~node4____CPAchecker_TMP_1~30#1, main_~__tmp_132~0#1, main_~assert__arg~131#1, main_~check__tmp~135#1, main_~node4__m4~38#1, main_~node3____CPAchecker_TMP_0~8#1, main_~__tmp_133~0#1, main_~assert__arg~132#1, main_~check__tmp~136#1, main_~__tmp_134~0#1, main_~assert__arg~133#1, main_~check__tmp~137#1, main_~node4____CPAchecker_TMP_0~31#1, main_~__tmp_135~0#1, main_~assert__arg~134#1, main_~check__tmp~138#1, main_~node4____CPAchecker_TMP_1~31#1, main_~__tmp_136~0#1, main_~assert__arg~135#1, main_~check__tmp~139#1, main_~node4__m4~39#1, main_~node3____CPAchecker_TMP_1~8#1, main_~__tmp_137~0#1, main_~assert__arg~136#1, main_~check__tmp~140#1, main_~__tmp_138~0#1, main_~assert__arg~137#1, main_~check__tmp~141#1, main_~node4____CPAchecker_TMP_0~32#1, main_~__tmp_139~0#1, main_~assert__arg~138#1, main_~check__tmp~142#1, main_~node4____CPAchecker_TMP_1~32#1, main_~__tmp_140~0#1, main_~assert__arg~139#1, main_~check__tmp~143#1, main_~node4__m4~40#1, main_~node3__m3~12#1, main_~node2____CPAchecker_TMP_0~3#1, main_~__tmp_141~0#1, main_~assert__arg~140#1, main_~check__tmp~144#1, main_~__tmp_142~0#1, main_~assert__arg~141#1, main_~check__tmp~145#1, main_~node4____CPAchecker_TMP_0~33#1, main_~__tmp_143~0#1, main_~assert__arg~142#1, main_~check__tmp~146#1, main_~node4____CPAchecker_TMP_1~33#1, main_~__tmp_144~0#1, main_~assert__arg~143#1, main_~check__tmp~147#1, main_~node4__m4~41#1, main_~__tmp_145~0#1, main_~assert__arg~144#1, main_~check__tmp~148#1, main_~__tmp_146~0#1, main_~assert__arg~145#1, main_~check__tmp~149#1, main_~node4____CPAchecker_TMP_0~34#1, main_~__tmp_147~0#1, main_~assert__arg~146#1, main_~check__tmp~150#1, main_~node4____CPAchecker_TMP_1~34#1, main_~__tmp_148~0#1, main_~assert__arg~147#1, main_~check__tmp~151#1, main_~node4__m4~42#1, main_~node3____CPAchecker_TMP_0~9#1, main_~__tmp_149~0#1, main_~assert__arg~148#1, main_~check__tmp~152#1, main_~__tmp_150~0#1, main_~assert__arg~149#1, main_~check__tmp~153#1, main_~node4____CPAchecker_TMP_0~35#1, main_~__tmp_151~0#1, main_~assert__arg~150#1, main_~check__tmp~154#1, main_~node4____CPAchecker_TMP_1~35#1, main_~__tmp_152~0#1, main_~assert__arg~151#1, main_~check__tmp~155#1, main_~node4__m4~43#1, main_~node3____CPAchecker_TMP_1~9#1, main_~__tmp_153~0#1, main_~assert__arg~152#1, main_~check__tmp~156#1, main_~__tmp_154~0#1, main_~assert__arg~153#1, main_~check__tmp~157#1, main_~node4____CPAchecker_TMP_0~36#1, main_~__tmp_155~0#1, main_~assert__arg~154#1, main_~check__tmp~158#1, main_~node4____CPAchecker_TMP_1~36#1, main_~__tmp_156~0#1, main_~assert__arg~155#1, main_~check__tmp~159#1, main_~node4__m4~44#1, main_~node3__m3~13#1, main_~node2____CPAchecker_TMP_1~3#1, main_~node2__m2~5#1, main_~node1____CPAchecker_TMP_1~1#1, main_~node1__m1~0#1, main_~init__tmp~0#1, main_~main__c1~0#1, main_~main__i2~0#1;havoc main_~main__c1~0#1;havoc main_~main__i2~0#1;main_~main__c1~0#1 := 0;~r1~0 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -128 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 127;~id1~0 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -128 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 127;~st1~0 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -128 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 127;~send1~0 := main_#t~nondet7#1;havoc main_#t~nondet7#1;~mode1~0 := main_#t~nondet8#1;havoc main_#t~nondet8#1;~alive1~0 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -128 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 127;~id2~0 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -128 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 127;~st2~0 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -128 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 127;~send2~0 := main_#t~nondet12#1;havoc main_#t~nondet12#1;~mode2~0 := main_#t~nondet13#1;havoc main_#t~nondet13#1;~alive2~0 := main_#t~nondet14#1;havoc main_#t~nondet14#1;assume -128 <= main_#t~nondet15#1 && main_#t~nondet15#1 <= 127;~id3~0 := main_#t~nondet15#1;havoc main_#t~nondet15#1;assume -128 <= main_#t~nondet16#1 && main_#t~nondet16#1 <= 127;~st3~0 := main_#t~nondet16#1;havoc main_#t~nondet16#1;assume -128 <= main_#t~nondet17#1 && main_#t~nondet17#1 <= 127;~send3~0 := main_#t~nondet17#1;havoc main_#t~nondet17#1;~mode3~0 := main_#t~nondet18#1;havoc main_#t~nondet18#1;~alive3~0 := main_#t~nondet19#1;havoc main_#t~nondet19#1;assume -128 <= main_#t~nondet20#1 && main_#t~nondet20#1 <= 127;~id4~0 := main_#t~nondet20#1;havoc main_#t~nondet20#1;assume -128 <= main_#t~nondet21#1 && main_#t~nondet21#1 <= 127;~st4~0 := main_#t~nondet21#1;havoc main_#t~nondet21#1;assume -128 <= main_#t~nondet22#1 && main_#t~nondet22#1 <= 127;~send4~0 := main_#t~nondet22#1;havoc main_#t~nondet22#1;~mode4~0 := main_#t~nondet23#1;havoc main_#t~nondet23#1;~alive4~0 := main_#t~nondet24#1;havoc main_#t~nondet24#1;havoc main_~init__tmp~0#1; {33065#(<= (+ ~nomsg~0 1) 0)} is VALID [2022-02-20 18:47:33,008 INFO L290 TraceCheckUtils]: 2: Hoare triple {33065#(<= (+ ~nomsg~0 1) 0)} assume 0 == ~r1~0 % 256; {33065#(<= (+ ~nomsg~0 1) 0)} is VALID [2022-02-20 18:47:33,008 INFO L290 TraceCheckUtils]: 3: Hoare triple {33065#(<= (+ ~nomsg~0 1) 0)} assume ~alive1~0 % 256 + ~alive2~0 % 256 + ~alive3~0 % 256 + ~alive4~0 % 256 >= 1; {33065#(<= (+ ~nomsg~0 1) 0)} is VALID [2022-02-20 18:47:33,009 INFO L290 TraceCheckUtils]: 4: Hoare triple {33065#(<= (+ ~nomsg~0 1) 0)} assume ~id1~0 >= 0; {33065#(<= (+ ~nomsg~0 1) 0)} is VALID [2022-02-20 18:47:33,009 INFO L290 TraceCheckUtils]: 5: Hoare triple {33065#(<= (+ ~nomsg~0 1) 0)} assume 0 == ~st1~0; {33065#(<= (+ ~nomsg~0 1) 0)} is VALID [2022-02-20 18:47:33,009 INFO L290 TraceCheckUtils]: 6: Hoare triple {33065#(<= (+ ~nomsg~0 1) 0)} assume ~send1~0 == ~id1~0; {33065#(<= (+ ~nomsg~0 1) 0)} is VALID [2022-02-20 18:47:33,010 INFO L290 TraceCheckUtils]: 7: Hoare triple {33065#(<= (+ ~nomsg~0 1) 0)} assume 0 == ~mode1~0 % 256; {33065#(<= (+ ~nomsg~0 1) 0)} is VALID [2022-02-20 18:47:33,010 INFO L290 TraceCheckUtils]: 8: Hoare triple {33065#(<= (+ ~nomsg~0 1) 0)} assume ~id2~0 >= 0; {33065#(<= (+ ~nomsg~0 1) 0)} is VALID [2022-02-20 18:47:33,011 INFO L290 TraceCheckUtils]: 9: Hoare triple {33065#(<= (+ ~nomsg~0 1) 0)} assume 0 == ~st2~0; {33065#(<= (+ ~nomsg~0 1) 0)} is VALID [2022-02-20 18:47:33,011 INFO L290 TraceCheckUtils]: 10: Hoare triple {33065#(<= (+ ~nomsg~0 1) 0)} assume ~send2~0 == ~id2~0; {33065#(<= (+ ~nomsg~0 1) 0)} is VALID [2022-02-20 18:47:33,011 INFO L290 TraceCheckUtils]: 11: Hoare triple {33065#(<= (+ ~nomsg~0 1) 0)} assume 0 == ~mode2~0 % 256; {33065#(<= (+ ~nomsg~0 1) 0)} is VALID [2022-02-20 18:47:33,012 INFO L290 TraceCheckUtils]: 12: Hoare triple {33065#(<= (+ ~nomsg~0 1) 0)} assume ~id3~0 >= 0; {33065#(<= (+ ~nomsg~0 1) 0)} is VALID [2022-02-20 18:47:33,012 INFO L290 TraceCheckUtils]: 13: Hoare triple {33065#(<= (+ ~nomsg~0 1) 0)} assume 0 == ~st3~0; {33065#(<= (+ ~nomsg~0 1) 0)} is VALID [2022-02-20 18:47:33,013 INFO L290 TraceCheckUtils]: 14: Hoare triple {33065#(<= (+ ~nomsg~0 1) 0)} assume ~send3~0 == ~id3~0; {33065#(<= (+ ~nomsg~0 1) 0)} is VALID [2022-02-20 18:47:33,013 INFO L290 TraceCheckUtils]: 15: Hoare triple {33065#(<= (+ ~nomsg~0 1) 0)} assume 0 == ~mode3~0 % 256; {33065#(<= (+ ~nomsg~0 1) 0)} is VALID [2022-02-20 18:47:33,014 INFO L290 TraceCheckUtils]: 16: Hoare triple {33065#(<= (+ ~nomsg~0 1) 0)} assume ~id4~0 >= 0; {33066#(<= (+ ~nomsg~0 1) ~id4~0)} is VALID [2022-02-20 18:47:33,014 INFO L290 TraceCheckUtils]: 17: Hoare triple {33066#(<= (+ ~nomsg~0 1) ~id4~0)} assume 0 == ~st4~0; {33066#(<= (+ ~nomsg~0 1) ~id4~0)} is VALID [2022-02-20 18:47:33,014 INFO L290 TraceCheckUtils]: 18: Hoare triple {33066#(<= (+ ~nomsg~0 1) ~id4~0)} assume ~send4~0 == ~id4~0; {33067#(<= (+ ~nomsg~0 1) ~send4~0)} is VALID [2022-02-20 18:47:33,015 INFO L290 TraceCheckUtils]: 19: Hoare triple {33067#(<= (+ ~nomsg~0 1) ~send4~0)} assume 0 == ~mode4~0 % 256; {33067#(<= (+ ~nomsg~0 1) ~send4~0)} is VALID [2022-02-20 18:47:33,015 INFO L290 TraceCheckUtils]: 20: Hoare triple {33067#(<= (+ ~nomsg~0 1) ~send4~0)} assume ~id1~0 != ~id2~0; {33067#(<= (+ ~nomsg~0 1) ~send4~0)} is VALID [2022-02-20 18:47:33,016 INFO L290 TraceCheckUtils]: 21: Hoare triple {33067#(<= (+ ~nomsg~0 1) ~send4~0)} assume ~id1~0 != ~id3~0; {33067#(<= (+ ~nomsg~0 1) ~send4~0)} is VALID [2022-02-20 18:47:33,016 INFO L290 TraceCheckUtils]: 22: Hoare triple {33067#(<= (+ ~nomsg~0 1) ~send4~0)} assume ~id1~0 != ~id4~0; {33067#(<= (+ ~nomsg~0 1) ~send4~0)} is VALID [2022-02-20 18:47:33,016 INFO L290 TraceCheckUtils]: 23: Hoare triple {33067#(<= (+ ~nomsg~0 1) ~send4~0)} assume ~id2~0 != ~id3~0; {33067#(<= (+ ~nomsg~0 1) ~send4~0)} is VALID [2022-02-20 18:47:33,017 INFO L290 TraceCheckUtils]: 24: Hoare triple {33067#(<= (+ ~nomsg~0 1) ~send4~0)} assume ~id2~0 != ~id4~0; {33067#(<= (+ ~nomsg~0 1) ~send4~0)} is VALID [2022-02-20 18:47:33,017 INFO L290 TraceCheckUtils]: 25: Hoare triple {33067#(<= (+ ~nomsg~0 1) ~send4~0)} assume ~id3~0 != ~id4~0;main_~init__tmp~0#1 := 1;~__return_19080~0 := main_~init__tmp~0#1;main_~main__i2~0#1 := ~__return_19080~0; {33067#(<= (+ ~nomsg~0 1) ~send4~0)} is VALID [2022-02-20 18:47:33,018 INFO L290 TraceCheckUtils]: 26: Hoare triple {33067#(<= (+ ~nomsg~0 1) ~send4~0)} assume 0 != main_~main__i2~0#1;~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~nomsg~0;~p4_new~0 := ~nomsg~0;main_~main__i2~0#1 := 0;havoc main_~node1__m1~0#1;main_~node1__m1~0#1 := ~nomsg~0; {33067#(<= (+ ~nomsg~0 1) ~send4~0)} is VALID [2022-02-20 18:47:33,018 INFO L290 TraceCheckUtils]: 27: Hoare triple {33067#(<= (+ ~nomsg~0 1) ~send4~0)} assume !!(0 == ~mode1~0 % 256); {33067#(<= (+ ~nomsg~0 1) ~send4~0)} is VALID [2022-02-20 18:47:33,018 INFO L290 TraceCheckUtils]: 28: Hoare triple {33067#(<= (+ ~nomsg~0 1) ~send4~0)} assume !!(0 == ~alive1~0 % 256); {33067#(<= (+ ~nomsg~0 1) ~send4~0)} is VALID [2022-02-20 18:47:33,019 INFO L290 TraceCheckUtils]: 29: Hoare triple {33067#(<= (+ ~nomsg~0 1) ~send4~0)} assume !(~send1~0 != ~id1~0); {33067#(<= (+ ~nomsg~0 1) ~send4~0)} is VALID [2022-02-20 18:47:33,019 INFO L290 TraceCheckUtils]: 30: Hoare triple {33067#(<= (+ ~nomsg~0 1) ~send4~0)} ~mode1~0 := 1;havoc main_~node2__m2~5#1;main_~node2__m2~5#1 := ~nomsg~0; {33067#(<= (+ ~nomsg~0 1) ~send4~0)} is VALID [2022-02-20 18:47:33,020 INFO L290 TraceCheckUtils]: 31: Hoare triple {33067#(<= (+ ~nomsg~0 1) ~send4~0)} assume !!(0 == ~mode2~0 % 256); {33067#(<= (+ ~nomsg~0 1) ~send4~0)} is VALID [2022-02-20 18:47:33,020 INFO L290 TraceCheckUtils]: 32: Hoare triple {33067#(<= (+ ~nomsg~0 1) ~send4~0)} assume !(0 == ~alive2~0 % 256);havoc main_~node2____CPAchecker_TMP_0~3#1; {33067#(<= (+ ~nomsg~0 1) ~send4~0)} is VALID [2022-02-20 18:47:33,021 INFO L290 TraceCheckUtils]: 33: Hoare triple {33067#(<= (+ ~nomsg~0 1) ~send4~0)} assume !(~send2~0 != ~nomsg~0);main_~node2____CPAchecker_TMP_0~3#1 := ~p2_new~0;~p2_new~0 := (if main_~node2____CPAchecker_TMP_0~3#1 % 256 <= 127 then main_~node2____CPAchecker_TMP_0~3#1 % 256 else main_~node2____CPAchecker_TMP_0~3#1 % 256 - 256);~mode2~0 := 1;havoc main_~node3__m3~12#1;main_~node3__m3~12#1 := ~nomsg~0; {33067#(<= (+ ~nomsg~0 1) ~send4~0)} is VALID [2022-02-20 18:47:33,022 INFO L290 TraceCheckUtils]: 34: Hoare triple {33067#(<= (+ ~nomsg~0 1) ~send4~0)} assume !!(0 == ~mode3~0 % 256); {33067#(<= (+ ~nomsg~0 1) ~send4~0)} is VALID [2022-02-20 18:47:33,022 INFO L290 TraceCheckUtils]: 35: Hoare triple {33067#(<= (+ ~nomsg~0 1) ~send4~0)} assume !!(0 == ~alive3~0 % 256); {33067#(<= (+ ~nomsg~0 1) ~send4~0)} is VALID [2022-02-20 18:47:33,022 INFO L290 TraceCheckUtils]: 36: Hoare triple {33067#(<= (+ ~nomsg~0 1) ~send4~0)} assume !(~send3~0 != ~id3~0);~mode3~0 := 1;havoc main_~node4__m4~40#1;main_~node4__m4~40#1 := ~nomsg~0; {33067#(<= (+ ~nomsg~0 1) ~send4~0)} is VALID [2022-02-20 18:47:33,023 INFO L290 TraceCheckUtils]: 37: Hoare triple {33067#(<= (+ ~nomsg~0 1) ~send4~0)} assume !!(0 == ~mode4~0 % 256); {33067#(<= (+ ~nomsg~0 1) ~send4~0)} is VALID [2022-02-20 18:47:33,023 INFO L290 TraceCheckUtils]: 38: Hoare triple {33067#(<= (+ ~nomsg~0 1) ~send4~0)} assume !(0 == ~alive4~0 % 256);havoc main_~node4____CPAchecker_TMP_0~32#1; {33067#(<= (+ ~nomsg~0 1) ~send4~0)} is VALID [2022-02-20 18:47:33,024 INFO L290 TraceCheckUtils]: 39: Hoare triple {33067#(<= (+ ~nomsg~0 1) ~send4~0)} assume !(~send4~0 != ~nomsg~0);main_~node4____CPAchecker_TMP_0~32#1 := ~p4_new~0;~p4_new~0 := (if main_~node4____CPAchecker_TMP_0~32#1 % 256 <= 127 then main_~node4____CPAchecker_TMP_0~32#1 % 256 else main_~node4____CPAchecker_TMP_0~32#1 % 256 - 256);~mode4~0 := 1;~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;havoc main_~check__tmp~141#1; {33064#false} is VALID [2022-02-20 18:47:33,024 INFO L290 TraceCheckUtils]: 40: Hoare triple {33064#false} assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 <= 1; {33064#false} is VALID [2022-02-20 18:47:33,024 INFO L290 TraceCheckUtils]: 41: Hoare triple {33064#false} assume ~r1~0 % 256 < 4;main_~check__tmp~141#1 := 1;~__return_24164~0 := main_~check__tmp~141#1;main_~main__c1~0#1 := ~__return_24164~0;havoc main_~__tmp_138~0#1;main_~__tmp_138~0#1 := (if 0 == main_~main__c1~0#1 then 0 else 1);havoc main_~assert__arg~137#1;main_~assert__arg~137#1 := main_~__tmp_138~0#1; {33064#false} is VALID [2022-02-20 18:47:33,024 INFO L290 TraceCheckUtils]: 42: Hoare triple {33064#false} assume !(0 == main_~assert__arg~137#1 % 256); {33064#false} is VALID [2022-02-20 18:47:33,025 INFO L290 TraceCheckUtils]: 43: Hoare triple {33064#false} havoc main_~node1__m1~1#1;main_~node1__m1~1#1 := ~nomsg~0; {33064#false} is VALID [2022-02-20 18:47:33,025 INFO L290 TraceCheckUtils]: 44: Hoare triple {33064#false} assume !(0 == ~mode1~0 % 256); {33064#false} is VALID [2022-02-20 18:47:33,025 INFO L290 TraceCheckUtils]: 45: Hoare triple {33064#false} assume !(255 == ~r1~0 % 256);~r1~0 := 1 + ~r1~0 % 256;main_~node1__m1~1#1 := ~p4_old~0;~p4_old~0 := ~nomsg~0; {33064#false} is VALID [2022-02-20 18:47:33,025 INFO L290 TraceCheckUtils]: 46: Hoare triple {33064#false} assume !(main_~node1__m1~1#1 != ~nomsg~0);~mode1~0 := 0; {33064#false} is VALID [2022-02-20 18:47:33,025 INFO L290 TraceCheckUtils]: 47: Hoare triple {33064#false} havoc main_~node2__m2~1#1;main_~node2__m2~1#1 := ~nomsg~0; {33064#false} is VALID [2022-02-20 18:47:33,025 INFO L290 TraceCheckUtils]: 48: Hoare triple {33064#false} assume !(0 == ~mode2~0 % 256);main_~node2__m2~1#1 := ~p1_old~0;~p1_old~0 := ~nomsg~0; {33064#false} is VALID [2022-02-20 18:47:33,026 INFO L290 TraceCheckUtils]: 49: Hoare triple {33064#false} assume main_~node2__m2~1#1 != ~nomsg~0; {33064#false} is VALID [2022-02-20 18:47:33,026 INFO L290 TraceCheckUtils]: 50: Hoare triple {33064#false} assume !(0 == ~alive2~0 % 256); {33064#false} is VALID [2022-02-20 18:47:33,026 INFO L290 TraceCheckUtils]: 51: Hoare triple {33064#false} assume !(main_~node2__m2~1#1 > ~id2~0); {33064#false} is VALID [2022-02-20 18:47:33,026 INFO L290 TraceCheckUtils]: 52: Hoare triple {33064#false} assume main_~node2__m2~1#1 == ~id2~0;~st2~0 := 1;~mode2~0 := 0;havoc main_~node3__m3~3#1;main_~node3__m3~3#1 := ~nomsg~0; {33064#false} is VALID [2022-02-20 18:47:33,026 INFO L290 TraceCheckUtils]: 53: Hoare triple {33064#false} assume !(0 == ~mode3~0 % 256);main_~node3__m3~3#1 := ~p2_old~0;~p2_old~0 := ~nomsg~0; {33064#false} is VALID [2022-02-20 18:47:33,026 INFO L290 TraceCheckUtils]: 54: Hoare triple {33064#false} assume !(main_~node3__m3~3#1 != ~nomsg~0);~mode3~0 := 0; {33064#false} is VALID [2022-02-20 18:47:33,027 INFO L290 TraceCheckUtils]: 55: Hoare triple {33064#false} havoc main_~node4__m4~4#1;main_~node4__m4~4#1 := ~nomsg~0; {33064#false} is VALID [2022-02-20 18:47:33,027 INFO L290 TraceCheckUtils]: 56: Hoare triple {33064#false} assume !(0 == ~mode4~0 % 256);main_~node4__m4~4#1 := ~p3_old~0;~p3_old~0 := ~nomsg~0; {33064#false} is VALID [2022-02-20 18:47:33,027 INFO L290 TraceCheckUtils]: 57: Hoare triple {33064#false} assume main_~node4__m4~4#1 != ~nomsg~0; {33064#false} is VALID [2022-02-20 18:47:33,027 INFO L290 TraceCheckUtils]: 58: Hoare triple {33064#false} assume !(0 == ~alive4~0 % 256); {33064#false} is VALID [2022-02-20 18:47:33,027 INFO L290 TraceCheckUtils]: 59: Hoare triple {33064#false} assume !(main_~node4__m4~4#1 > ~id4~0); {33064#false} is VALID [2022-02-20 18:47:33,028 INFO L290 TraceCheckUtils]: 60: Hoare triple {33064#false} assume main_~node4__m4~4#1 == ~id4~0;~st4~0 := 1;~mode4~0 := 0;~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;havoc main_~check__tmp~7#1; {33064#false} is VALID [2022-02-20 18:47:33,028 INFO L290 TraceCheckUtils]: 61: Hoare triple {33064#false} assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 <= 1);main_~check__tmp~7#1 := 0;~__return_21990~0 := main_~check__tmp~7#1;main_~main__c1~0#1 := ~__return_21990~0;havoc main_~__tmp_8~0#1;main_~__tmp_8~0#1 := (if 0 == main_~main__c1~0#1 then 0 else 1);havoc main_~assert__arg~7#1;main_~assert__arg~7#1 := main_~__tmp_8~0#1; {33064#false} is VALID [2022-02-20 18:47:33,028 INFO L290 TraceCheckUtils]: 62: Hoare triple {33064#false} assume 0 == main_~assert__arg~7#1 % 256; {33064#false} is VALID [2022-02-20 18:47:33,028 INFO L290 TraceCheckUtils]: 63: Hoare triple {33064#false} assume !false; {33064#false} is VALID [2022-02-20 18:47:33,028 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 18:47:33,029 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 18:47:33,029 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1162789091] [2022-02-20 18:47:33,029 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1162789091] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 18:47:33,029 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 18:47:33,029 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-20 18:47:33,029 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761731834] [2022-02-20 18:47:33,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 18:47:33,030 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2022-02-20 18:47:33,030 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 18:47:33,031 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 18:47:33,079 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 64 edges. 64 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:47:33,079 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-20 18:47:33,081 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 18:47:33,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-20 18:47:33,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-20 18:47:33,082 INFO L87 Difference]: Start difference. First operand 2450 states and 3380 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 18:47:37,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:47:37,148 INFO L93 Difference]: Finished difference Result 4663 states and 6528 transitions. [2022-02-20 18:47:37,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-20 18:47:37,148 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2022-02-20 18:47:37,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 18:47:37,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 18:47:37,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1683 transitions. [2022-02-20 18:47:37,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 18:47:37,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1683 transitions. [2022-02-20 18:47:37,159 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 1683 transitions. [2022-02-20 18:47:38,279 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 1683 edges. 1683 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:47:38,570 INFO L225 Difference]: With dead ends: 4663 [2022-02-20 18:47:38,570 INFO L226 Difference]: Without dead ends: 2817 [2022-02-20 18:47:38,572 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-02-20 18:47:38,573 INFO L933 BasicCegarLoop]: 567 mSDtfsCounter, 3030 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 459 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3030 SdHoareTripleChecker+Valid, 692 SdHoareTripleChecker+Invalid, 538 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 459 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-20 18:47:38,573 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3030 Valid, 692 Invalid, 538 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 459 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-20 18:47:38,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2817 states. [2022-02-20 18:47:40,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2817 to 2803. [2022-02-20 18:47:40,200 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 18:47:40,204 INFO L82 GeneralOperation]: Start isEquivalent. First operand 2817 states. Second operand has 2803 states, 2796 states have (on average 1.3776824034334765) internal successors, (3852), 2802 states have internal predecessors, (3852), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 18:47:40,207 INFO L74 IsIncluded]: Start isIncluded. First operand 2817 states. Second operand has 2803 states, 2796 states have (on average 1.3776824034334765) internal successors, (3852), 2802 states have internal predecessors, (3852), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 18:47:40,209 INFO L87 Difference]: Start difference. First operand 2817 states. Second operand has 2803 states, 2796 states have (on average 1.3776824034334765) internal successors, (3852), 2802 states have internal predecessors, (3852), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 18:47:40,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:47:40,483 INFO L93 Difference]: Finished difference Result 2817 states and 3862 transitions. [2022-02-20 18:47:40,483 INFO L276 IsEmpty]: Start isEmpty. Operand 2817 states and 3862 transitions. [2022-02-20 18:47:40,486 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:47:40,486 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:47:40,491 INFO L74 IsIncluded]: Start isIncluded. First operand has 2803 states, 2796 states have (on average 1.3776824034334765) internal successors, (3852), 2802 states have internal predecessors, (3852), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 2817 states. [2022-02-20 18:47:40,493 INFO L87 Difference]: Start difference. First operand has 2803 states, 2796 states have (on average 1.3776824034334765) internal successors, (3852), 2802 states have internal predecessors, (3852), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 2817 states. [2022-02-20 18:47:40,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:47:40,730 INFO L93 Difference]: Finished difference Result 2817 states and 3862 transitions. [2022-02-20 18:47:40,730 INFO L276 IsEmpty]: Start isEmpty. Operand 2817 states and 3862 transitions. [2022-02-20 18:47:40,732 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:47:40,732 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:47:40,732 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 18:47:40,732 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 18:47:40,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2803 states, 2796 states have (on average 1.3776824034334765) internal successors, (3852), 2802 states have internal predecessors, (3852), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 18:47:41,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2803 states to 2803 states and 3852 transitions. [2022-02-20 18:47:41,099 INFO L78 Accepts]: Start accepts. Automaton has 2803 states and 3852 transitions. Word has length 64 [2022-02-20 18:47:41,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 18:47:41,099 INFO L470 AbstractCegarLoop]: Abstraction has 2803 states and 3852 transitions. [2022-02-20 18:47:41,099 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 18:47:41,099 INFO L276 IsEmpty]: Start isEmpty. Operand 2803 states and 3852 transitions. [2022-02-20 18:47:41,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-02-20 18:47:41,101 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 18:47:41,101 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 18:47:41,101 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-02-20 18:47:41,101 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2022-02-20 18:47:41,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 18:47:41,102 INFO L85 PathProgramCache]: Analyzing trace with hash 1685345629, now seen corresponding path program 1 times [2022-02-20 18:47:41,102 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 18:47:41,102 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [145062157] [2022-02-20 18:47:41,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 18:47:41,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 18:47:41,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:47:41,206 INFO L290 TraceCheckUtils]: 0: Hoare triple {48158#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(63, 2);call #Ultimate.allocInit(12, 3);~__return_main~0 := 0;~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~alive1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~alive2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~alive3~0 := 0;~p4~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~send4~0 := 0;~mode4~0 := 0;~alive4~0 := 0;~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[0 := #funAddr~node1.base], ~nodes~0.offset[0 := #funAddr~node1.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[1 := #funAddr~node2.base], ~nodes~0.offset[1 := #funAddr~node2.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[2 := #funAddr~node3.base], ~nodes~0.offset[2 := #funAddr~node3.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[3 := #funAddr~node4.base], ~nodes~0.offset[3 := #funAddr~node4.offset];~__return_19080~0 := 0;~__return_22830~0 := 0;~__return_19254~0 := 0;~__return_19337~0 := 0;~__return_19754~0 := 0;~__return_20306~0 := 0;~__return_20551~0 := 0;~__return_21733~0 := 0;~__return_21990~0 := 0;~__return_22543~0 := 0;~__return_22792~0 := 0;~__return_19596~0 := 0;~__return_19829~0 := 0;~__return_20393~0 := 0;~__return_20629~0 := 0;~__return_21832~0 := 0;~__return_22068~0 := 0;~__return_22633~0 := 0;~__return_22752~0 := 0;~__return_22911~0 := 0;~__return_22878~0 := 0;~__return_22581~0 := 0;~__return_22492~0 := 0;~__return_22703~0 := 0;~__return_22670~0 := 0;~__return_23135~0 := 0;~__return_23104~0 := 0;~__return_23198~0 := 0;~__return_23165~0 := 0;~__return_22990~0 := 0;~__return_22959~0 := 0;~__return_23053~0 := 0;~__return_23020~0 := 0;~__return_22028~0 := 0;~__return_21951~0 := 0;~__return_22138~0 := 0;~__return_22105~0 := 0;~__return_21769~0 := 0;~__return_21668~0 := 0;~__return_21902~0 := 0;~__return_21869~0 := 0;~__return_22362~0 := 0;~__return_22331~0 := 0;~__return_22425~0 := 0;~__return_22392~0 := 0;~__return_22217~0 := 0;~__return_22186~0 := 0;~__return_22280~0 := 0;~__return_22247~0 := 0;~__return_23438~0 := 0;~__return_23407~0 := 0;~__return_23501~0 := 0;~__return_23468~0 := 0;~__return_23295~0 := 0;~__return_23264~0 := 0;~__return_23358~0 := 0;~__return_23325~0 := 0;~__return_23725~0 := 0;~__return_23694~0 := 0;~__return_23788~0 := 0;~__return_23755~0 := 0;~__return_23580~0 := 0;~__return_23549~0 := 0;~__return_23643~0 := 0;~__return_23610~0 := 0;~__return_20589~0 := 0;~__return_20512~0 := 0;~__return_20699~0 := 0;~__return_20666~0 := 0;~__return_20342~0 := 0;~__return_20253~0 := 0;~__return_20463~0 := 0;~__return_20430~0 := 0;~__return_20923~0 := 0;~__return_20892~0 := 0;~__return_20986~0 := 0;~__return_20953~0 := 0;~__return_20778~0 := 0;~__return_20747~0 := 0;~__return_20841~0 := 0;~__return_20808~0 := 0;~__return_19790~0 := 0;~__return_19713~0 := 0;~__return_19899~0 := 0;~__return_19866~0 := 0;~__return_19519~0 := 0;~__return_19179~0 := 0;~__return_19664~0 := 0;~__return_19631~0 := 0;~__return_20123~0 := 0;~__return_20092~0 := 0;~__return_20186~0 := 0;~__return_20153~0 := 0;~__return_19978~0 := 0;~__return_19947~0 := 0;~__return_20041~0 := 0;~__return_20008~0 := 0;~__return_21226~0 := 0;~__return_21195~0 := 0;~__return_21289~0 := 0;~__return_21256~0 := 0;~__return_21083~0 := 0;~__return_21052~0 := 0;~__return_21146~0 := 0;~__return_21113~0 := 0;~__return_21513~0 := 0;~__return_21482~0 := 0;~__return_21576~0 := 0;~__return_21543~0 := 0;~__return_21368~0 := 0;~__return_21337~0 := 0;~__return_21431~0 := 0;~__return_21398~0 := 0;~__return_24644~0 := 0;~__return_24613~0 := 0;~__return_24707~0 := 0;~__return_24674~0 := 0;~__return_24501~0 := 0;~__return_24470~0 := 0;~__return_24564~0 := 0;~__return_24531~0 := 0;~__return_24931~0 := 0;~__return_24900~0 := 0;~__return_24994~0 := 0;~__return_24961~0 := 0;~__return_24786~0 := 0;~__return_24755~0 := 0;~__return_24849~0 := 0;~__return_24816~0 := 0;~__return_24053~0 := 0;~__return_24022~0 := 0;~__return_24116~0 := 0;~__return_24083~0 := 0;~__return_23910~0 := 0;~__return_23879~0 := 0;~__return_23973~0 := 0;~__return_23940~0 := 0;~__return_24340~0 := 0;~__return_24309~0 := 0;~__return_24403~0 := 0;~__return_24370~0 := 0;~__return_24195~0 := 0;~__return_24164~0 := 0;~__return_24258~0 := 0;~__return_24225~0 := 0;~__return_25234~0 := 0;~__return_25203~0 := 0;~__return_25297~0 := 0;~__return_25264~0 := 0;~__return_25091~0 := 0;~__return_25060~0 := 0;~__return_25154~0 := 0;~__return_25121~0 := 0;~__return_25521~0 := 0;~__return_25490~0 := 0;~__return_25584~0 := 0;~__return_25551~0 := 0;~__return_25376~0 := 0;~__return_25345~0 := 0;~__return_25439~0 := 0;~__return_25406~0 := 0; {48160#(<= (+ ~nomsg~0 1) 0)} is VALID [2022-02-20 18:47:41,206 INFO L290 TraceCheckUtils]: 1: Hoare triple {48160#(<= (+ ~nomsg~0 1) 0)} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_~__tmp_3~0#1, main_~assert__arg~2#1, main_~check__tmp~2#1, main_~node4____CPAchecker_TMP_0~1#1, main_~node4____CPAchecker_TMP_1~0#1, main_~node4__m4~2#1, main_~node3____CPAchecker_TMP_0~1#1, main_~node3____CPAchecker_TMP_1~0#1, main_~node3__m3~2#1, main_~node2____CPAchecker_TMP_0~1#1, main_~node2____CPAchecker_TMP_1~0#1, main_~node2__m2~2#1, main_~node1____CPAchecker_TMP_0~1#1, main_~node1____CPAchecker_TMP_1~0#1, main_~node1__m1~2#1, main_~__tmp_2~0#1, main_~assert__arg~1#1, main_~check__tmp~1#1, main_~__tmp_4~0#1, main_~assert__arg~3#1, main_~check__tmp~3#1, main_~node4__m4~1#1, main_~__tmp_5~0#1, main_~assert__arg~4#1, main_~check__tmp~4#1, main_~__tmp_6~0#1, main_~assert__arg~5#1, main_~check__tmp~5#1, main_~node4__m4~3#1, main_~node3__m3~1#1, main_~__tmp_7~0#1, main_~assert__arg~6#1, main_~check__tmp~6#1, main_~__tmp_8~0#1, main_~assert__arg~7#1, main_~check__tmp~7#1, main_~node4__m4~4#1, main_~__tmp_9~0#1, main_~assert__arg~8#1, main_~check__tmp~8#1, main_~check__tmp~9#1, main_~node4__m4~5#1, main_~node3__m3~3#1, main_~node2__m2~1#1, main_~__tmp_10~0#1, main_~assert__arg~9#1, main_~check__tmp~10#1, main_~__tmp_11~0#1, main_~assert__arg~10#1, main_~check__tmp~11#1, main_~node4__m4~6#1, main_~__tmp_12~0#1, main_~assert__arg~11#1, main_~check__tmp~12#1, main_~check__tmp~13#1, main_~node4__m4~7#1, main_~node3__m3~4#1, main_~__tmp_13~0#1, main_~assert__arg~12#1, main_~check__tmp~14#1, main_~check__tmp~15#1, main_~node4__m4~8#1, main_~check__tmp~16#1, main_~node4__m4~9#1, main_~node3__m3~5#1, main_~node2__m2~3#1, main_~node1__m1~1#1, main_~__tmp_1~0#1, main_~assert__arg~0#1, main_~check__tmp~0#1, main_~__tmp_14~0#1, main_~assert__arg~13#1, main_~check__tmp~17#1, main_~node4____CPAchecker_TMP_0~0#1, main_~__tmp_15~0#1, main_~assert__arg~14#1, main_~check__tmp~18#1, main_~node4____CPAchecker_TMP_1~1#1, main_~__tmp_16~0#1, main_~assert__arg~15#1, main_~check__tmp~19#1, main_~node4__m4~0#1, main_~__tmp_17~0#1, main_~assert__arg~16#1, main_~check__tmp~20#1, main_~__tmp_18~0#1, main_~assert__arg~17#1, main_~check__tmp~21#1, main_~node4____CPAchecker_TMP_0~2#1, main_~__tmp_19~0#1, main_~assert__arg~18#1, main_~check__tmp~22#1, main_~node4____CPAchecker_TMP_1~2#1, main_~__tmp_20~0#1, main_~assert__arg~19#1, main_~check__tmp~23#1, main_~node4__m4~10#1, main_~node3____CPAchecker_TMP_0~0#1, main_~__tmp_21~0#1, main_~assert__arg~20#1, main_~check__tmp~24#1, main_~__tmp_22~0#1, main_~assert__arg~21#1, main_~check__tmp~25#1, main_~node4____CPAchecker_TMP_0~3#1, main_~__tmp_23~0#1, main_~assert__arg~22#1, main_~check__tmp~26#1, main_~node4____CPAchecker_TMP_1~3#1, main_~__tmp_24~0#1, main_~assert__arg~23#1, main_~check__tmp~27#1, main_~node4__m4~11#1, main_~node3____CPAchecker_TMP_1~1#1, main_~__tmp_25~0#1, main_~assert__arg~24#1, main_~check__tmp~28#1, main_~__tmp_26~0#1, main_~assert__arg~25#1, main_~check__tmp~29#1, main_~node4____CPAchecker_TMP_0~4#1, main_~__tmp_27~0#1, main_~assert__arg~26#1, main_~check__tmp~30#1, main_~node4____CPAchecker_TMP_1~4#1, main_~__tmp_28~0#1, main_~assert__arg~27#1, main_~check__tmp~31#1, main_~node4__m4~12#1, main_~node3__m3~0#1, main_~__tmp_29~0#1, main_~assert__arg~28#1, main_~check__tmp~32#1, main_~__tmp_30~0#1, main_~assert__arg~29#1, main_~check__tmp~33#1, main_~node4____CPAchecker_TMP_0~5#1, main_~__tmp_31~0#1, main_~assert__arg~30#1, main_~check__tmp~34#1, main_~node4____CPAchecker_TMP_1~5#1, main_~__tmp_32~0#1, main_~assert__arg~31#1, main_~check__tmp~35#1, main_~node4__m4~13#1, main_~__tmp_33~0#1, main_~assert__arg~32#1, main_~check__tmp~36#1, main_~__tmp_34~0#1, main_~assert__arg~33#1, main_~check__tmp~37#1, main_~node4____CPAchecker_TMP_0~6#1, main_~__tmp_35~0#1, main_~assert__arg~34#1, main_~check__tmp~38#1, main_~node4____CPAchecker_TMP_1~6#1, main_~__tmp_36~0#1, main_~assert__arg~35#1, main_~check__tmp~39#1, main_~node4__m4~14#1, main_~node3____CPAchecker_TMP_0~2#1, main_~__tmp_37~0#1, main_~assert__arg~36#1, main_~check__tmp~40#1, main_~__tmp_38~0#1, main_~assert__arg~37#1, main_~check__tmp~41#1, main_~node4____CPAchecker_TMP_0~7#1, main_~__tmp_39~0#1, main_~assert__arg~38#1, main_~check__tmp~42#1, main_~node4____CPAchecker_TMP_1~7#1, main_~__tmp_40~0#1, main_~assert__arg~39#1, main_~check__tmp~43#1, main_~node4__m4~15#1, main_~node3____CPAchecker_TMP_1~2#1, main_~__tmp_41~0#1, main_~assert__arg~40#1, main_~check__tmp~44#1, main_~__tmp_42~0#1, main_~assert__arg~41#1, main_~check__tmp~45#1, main_~node4____CPAchecker_TMP_0~8#1, main_~__tmp_43~0#1, main_~assert__arg~42#1, main_~check__tmp~46#1, main_~node4____CPAchecker_TMP_1~8#1, main_~__tmp_44~0#1, main_~assert__arg~43#1, main_~check__tmp~47#1, main_~node4__m4~16#1, main_~node3__m3~6#1, main_~node2____CPAchecker_TMP_0~0#1, main_~__tmp_45~0#1, main_~assert__arg~44#1, main_~check__tmp~48#1, main_~__tmp_46~0#1, main_~assert__arg~45#1, main_~check__tmp~49#1, main_~node4____CPAchecker_TMP_0~9#1, main_~__tmp_47~0#1, main_~assert__arg~46#1, main_~check__tmp~50#1, main_~node4____CPAchecker_TMP_1~9#1, main_~__tmp_48~0#1, main_~assert__arg~47#1, main_~check__tmp~51#1, main_~node4__m4~17#1, main_~__tmp_49~0#1, main_~assert__arg~48#1, main_~check__tmp~52#1, main_~__tmp_50~0#1, main_~assert__arg~49#1, main_~check__tmp~53#1, main_~node4____CPAchecker_TMP_0~10#1, main_~__tmp_51~0#1, main_~assert__arg~50#1, main_~check__tmp~54#1, main_~node4____CPAchecker_TMP_1~10#1, main_~__tmp_52~0#1, main_~assert__arg~51#1, main_~check__tmp~55#1, main_~node4__m4~18#1, main_~node3____CPAchecker_TMP_0~3#1, main_~__tmp_53~0#1, main_~assert__arg~52#1, main_~check__tmp~56#1, main_~__tmp_54~0#1, main_~assert__arg~53#1, main_~check__tmp~57#1, main_~node4____CPAchecker_TMP_0~11#1, main_~__tmp_55~0#1, main_~assert__arg~54#1, main_~check__tmp~58#1, main_~node4____CPAchecker_TMP_1~11#1, main_~__tmp_56~0#1, main_~assert__arg~55#1, main_~check__tmp~59#1, main_~node4__m4~19#1, main_~node3____CPAchecker_TMP_1~3#1, main_~__tmp_57~0#1, main_~assert__arg~56#1, main_~check__tmp~60#1, main_~__tmp_58~0#1, main_~assert__arg~57#1, main_~check__tmp~61#1, main_~node4____CPAchecker_TMP_0~12#1, main_~__tmp_59~0#1, main_~assert__arg~58#1, main_~check__tmp~62#1, main_~node4____CPAchecker_TMP_1~12#1, main_~__tmp_60~0#1, main_~assert__arg~59#1, main_~check__tmp~63#1, main_~node4__m4~20#1, main_~node3__m3~7#1, main_~node2____CPAchecker_TMP_1~1#1, main_~node2__m2~0#1, main_~__tmp_61~0#1, main_~assert__arg~60#1, main_~check__tmp~64#1, main_~__tmp_62~0#1, main_~assert__arg~61#1, main_~check__tmp~65#1, main_~node4____CPAchecker_TMP_0~13#1, main_~__tmp_63~0#1, main_~assert__arg~62#1, main_~check__tmp~66#1, main_~node4____CPAchecker_TMP_1~13#1, main_~__tmp_64~0#1, main_~assert__arg~63#1, main_~check__tmp~67#1, main_~node4__m4~21#1, main_~__tmp_65~0#1, main_~assert__arg~64#1, main_~check__tmp~68#1, main_~__tmp_66~0#1, main_~assert__arg~65#1, main_~check__tmp~69#1, main_~node4____CPAchecker_TMP_0~14#1, main_~__tmp_67~0#1, main_~assert__arg~66#1, main_~check__tmp~70#1, main_~node4____CPAchecker_TMP_1~14#1, main_~__tmp_68~0#1, main_~assert__arg~67#1, main_~check__tmp~71#1, main_~node4__m4~22#1, main_~node3____CPAchecker_TMP_0~4#1, main_~__tmp_69~0#1, main_~assert__arg~68#1, main_~check__tmp~72#1, main_~__tmp_70~0#1, main_~assert__arg~69#1, main_~check__tmp~73#1, main_~node4____CPAchecker_TMP_0~15#1, main_~__tmp_71~0#1, main_~assert__arg~70#1, main_~check__tmp~74#1, main_~node4____CPAchecker_TMP_1~15#1, main_~__tmp_72~0#1, main_~assert__arg~71#1, main_~check__tmp~75#1, main_~node4__m4~23#1, main_~node3____CPAchecker_TMP_1~4#1, main_~__tmp_73~0#1, main_~assert__arg~72#1, main_~check__tmp~76#1, main_~__tmp_74~0#1, main_~assert__arg~73#1, main_~check__tmp~77#1, main_~node4____CPAchecker_TMP_0~16#1, main_~__tmp_75~0#1, main_~assert__arg~74#1, main_~check__tmp~78#1, main_~node4____CPAchecker_TMP_1~16#1, main_~__tmp_76~0#1, main_~assert__arg~75#1, main_~check__tmp~79#1, main_~node4__m4~24#1, main_~node3__m3~8#1, main_~__tmp_77~0#1, main_~assert__arg~76#1, main_~check__tmp~80#1, main_~__tmp_78~0#1, main_~assert__arg~77#1, main_~check__tmp~81#1, main_~node4____CPAchecker_TMP_0~17#1, main_~__tmp_79~0#1, main_~assert__arg~78#1, main_~check__tmp~82#1, main_~node4____CPAchecker_TMP_1~17#1, main_~__tmp_80~0#1, main_~assert__arg~79#1, main_~check__tmp~83#1, main_~node4__m4~25#1, main_~__tmp_81~0#1, main_~assert__arg~80#1, main_~check__tmp~84#1, main_~__tmp_82~0#1, main_~assert__arg~81#1, main_~check__tmp~85#1, main_~node4____CPAchecker_TMP_0~18#1, main_~__tmp_83~0#1, main_~assert__arg~82#1, main_~check__tmp~86#1, main_~node4____CPAchecker_TMP_1~18#1, main_~__tmp_84~0#1, main_~assert__arg~83#1, main_~check__tmp~87#1, main_~node4__m4~26#1, main_~node3____CPAchecker_TMP_0~5#1, main_~__tmp_85~0#1, main_~assert__arg~84#1, main_~check__tmp~88#1, main_~__tmp_86~0#1, main_~assert__arg~85#1, main_~check__tmp~89#1, main_~node4____CPAchecker_TMP_0~19#1, main_~__tmp_87~0#1, main_~assert__arg~86#1, main_~check__tmp~90#1, main_~node4____CPAchecker_TMP_1~19#1, main_~__tmp_88~0#1, main_~assert__arg~87#1, main_~check__tmp~91#1, main_~node4__m4~27#1, main_~node3____CPAchecker_TMP_1~5#1, main_~__tmp_89~0#1, main_~assert__arg~88#1, main_~check__tmp~92#1, main_~__tmp_90~0#1, main_~assert__arg~89#1, main_~check__tmp~93#1, main_~node4____CPAchecker_TMP_0~20#1, main_~__tmp_91~0#1, main_~assert__arg~90#1, main_~check__tmp~94#1, main_~node4____CPAchecker_TMP_1~20#1, main_~__tmp_92~0#1, main_~assert__arg~91#1, main_~check__tmp~95#1, main_~node4__m4~28#1, main_~node3__m3~9#1, main_~node2____CPAchecker_TMP_0~2#1, main_~__tmp_93~0#1, main_~assert__arg~92#1, main_~check__tmp~96#1, main_~__tmp_94~0#1, main_~assert__arg~93#1, main_~check__tmp~97#1, main_~node4____CPAchecker_TMP_0~21#1, main_~__tmp_95~0#1, main_~assert__arg~94#1, main_~check__tmp~98#1, main_~node4____CPAchecker_TMP_1~21#1, main_~__tmp_96~0#1, main_~assert__arg~95#1, main_~check__tmp~99#1, main_~node4__m4~29#1, main_~__tmp_97~0#1, main_~assert__arg~96#1, main_~check__tmp~100#1, main_~__tmp_98~0#1, main_~assert__arg~97#1, main_~check__tmp~101#1, main_~node4____CPAchecker_TMP_0~22#1, main_~__tmp_99~0#1, main_~assert__arg~98#1, main_~check__tmp~102#1, main_~node4____CPAchecker_TMP_1~22#1, main_~__tmp_100~0#1, main_~assert__arg~99#1, main_~check__tmp~103#1, main_~node4__m4~30#1, main_~node3____CPAchecker_TMP_0~6#1, main_~__tmp_101~0#1, main_~assert__arg~100#1, main_~check__tmp~104#1, main_~__tmp_102~0#1, main_~assert__arg~101#1, main_~check__tmp~105#1, main_~node4____CPAchecker_TMP_0~23#1, main_~__tmp_103~0#1, main_~assert__arg~102#1, main_~check__tmp~106#1, main_~node4____CPAchecker_TMP_1~23#1, main_~__tmp_104~0#1, main_~assert__arg~103#1, main_~check__tmp~107#1, main_~node4__m4~31#1, main_~node3____CPAchecker_TMP_1~6#1, main_~__tmp_105~0#1, main_~assert__arg~104#1, main_~check__tmp~108#1, main_~__tmp_106~0#1, main_~assert__arg~105#1, main_~check__tmp~109#1, main_~node4____CPAchecker_TMP_0~24#1, main_~__tmp_107~0#1, main_~assert__arg~106#1, main_~check__tmp~110#1, main_~node4____CPAchecker_TMP_1~24#1, main_~__tmp_108~0#1, main_~assert__arg~107#1, main_~check__tmp~111#1, main_~node4__m4~32#1, main_~node3__m3~10#1, main_~node2____CPAchecker_TMP_1~2#1, main_~node2__m2~4#1, main_~node1____CPAchecker_TMP_0~0#1, main_~__tmp_109~0#1, main_~assert__arg~108#1, main_~check__tmp~112#1, main_~__tmp_110~0#1, main_~assert__arg~109#1, main_~check__tmp~113#1, main_~node4____CPAchecker_TMP_0~25#1, main_~__tmp_111~0#1, main_~assert__arg~110#1, main_~check__tmp~114#1, main_~node4____CPAchecker_TMP_1~25#1, main_~__tmp_112~0#1, main_~assert__arg~111#1, main_~check__tmp~115#1, main_~node4__m4~33#1, main_~__tmp_113~0#1, main_~assert__arg~112#1, main_~check__tmp~116#1, main_~__tmp_114~0#1, main_~assert__arg~113#1, main_~check__tmp~117#1, main_~node4____CPAchecker_TMP_0~26#1, main_~__tmp_115~0#1, main_~assert__arg~114#1, main_~check__tmp~118#1, main_~node4____CPAchecker_TMP_1~26#1, main_~__tmp_116~0#1, main_~assert__arg~115#1, main_~check__tmp~119#1, main_~node4__m4~34#1, main_~node3____CPAchecker_TMP_0~7#1, main_~__tmp_117~0#1, main_~assert__arg~116#1, main_~check__tmp~120#1, main_~__tmp_118~0#1, main_~assert__arg~117#1, main_~check__tmp~121#1, main_~node4____CPAchecker_TMP_0~27#1, main_~__tmp_119~0#1, main_~assert__arg~118#1, main_~check__tmp~122#1, main_~node4____CPAchecker_TMP_1~27#1, main_~__tmp_120~0#1, main_~assert__arg~119#1, main_~check__tmp~123#1, main_~node4__m4~35#1, main_~node3____CPAchecker_TMP_1~7#1, main_~__tmp_121~0#1, main_~assert__arg~120#1, main_~check__tmp~124#1, main_~__tmp_122~0#1, main_~assert__arg~121#1, main_~check__tmp~125#1, main_~node4____CPAchecker_TMP_0~28#1, main_~__tmp_123~0#1, main_~assert__arg~122#1, main_~check__tmp~126#1, main_~node4____CPAchecker_TMP_1~28#1, main_~__tmp_124~0#1, main_~assert__arg~123#1, main_~check__tmp~127#1, main_~node4__m4~36#1, main_~node3__m3~11#1, main_~__tmp_125~0#1, main_~assert__arg~124#1, main_~check__tmp~128#1, main_~__tmp_126~0#1, main_~assert__arg~125#1, main_~check__tmp~129#1, main_~node4____CPAchecker_TMP_0~29#1, main_~__tmp_127~0#1, main_~assert__arg~126#1, main_~check__tmp~130#1, main_~node4____CPAchecker_TMP_1~29#1, main_~__tmp_128~0#1, main_~assert__arg~127#1, main_~check__tmp~131#1, main_~node4__m4~37#1, main_~__tmp_129~0#1, main_~assert__arg~128#1, main_~check__tmp~132#1, main_~__tmp_130~0#1, main_~assert__arg~129#1, main_~check__tmp~133#1, main_~node4____CPAchecker_TMP_0~30#1, main_~__tmp_131~0#1, main_~assert__arg~130#1, main_~check__tmp~134#1, main_~node4____CPAchecker_TMP_1~30#1, main_~__tmp_132~0#1, main_~assert__arg~131#1, main_~check__tmp~135#1, main_~node4__m4~38#1, main_~node3____CPAchecker_TMP_0~8#1, main_~__tmp_133~0#1, main_~assert__arg~132#1, main_~check__tmp~136#1, main_~__tmp_134~0#1, main_~assert__arg~133#1, main_~check__tmp~137#1, main_~node4____CPAchecker_TMP_0~31#1, main_~__tmp_135~0#1, main_~assert__arg~134#1, main_~check__tmp~138#1, main_~node4____CPAchecker_TMP_1~31#1, main_~__tmp_136~0#1, main_~assert__arg~135#1, main_~check__tmp~139#1, main_~node4__m4~39#1, main_~node3____CPAchecker_TMP_1~8#1, main_~__tmp_137~0#1, main_~assert__arg~136#1, main_~check__tmp~140#1, main_~__tmp_138~0#1, main_~assert__arg~137#1, main_~check__tmp~141#1, main_~node4____CPAchecker_TMP_0~32#1, main_~__tmp_139~0#1, main_~assert__arg~138#1, main_~check__tmp~142#1, main_~node4____CPAchecker_TMP_1~32#1, main_~__tmp_140~0#1, main_~assert__arg~139#1, main_~check__tmp~143#1, main_~node4__m4~40#1, main_~node3__m3~12#1, main_~node2____CPAchecker_TMP_0~3#1, main_~__tmp_141~0#1, main_~assert__arg~140#1, main_~check__tmp~144#1, main_~__tmp_142~0#1, main_~assert__arg~141#1, main_~check__tmp~145#1, main_~node4____CPAchecker_TMP_0~33#1, main_~__tmp_143~0#1, main_~assert__arg~142#1, main_~check__tmp~146#1, main_~node4____CPAchecker_TMP_1~33#1, main_~__tmp_144~0#1, main_~assert__arg~143#1, main_~check__tmp~147#1, main_~node4__m4~41#1, main_~__tmp_145~0#1, main_~assert__arg~144#1, main_~check__tmp~148#1, main_~__tmp_146~0#1, main_~assert__arg~145#1, main_~check__tmp~149#1, main_~node4____CPAchecker_TMP_0~34#1, main_~__tmp_147~0#1, main_~assert__arg~146#1, main_~check__tmp~150#1, main_~node4____CPAchecker_TMP_1~34#1, main_~__tmp_148~0#1, main_~assert__arg~147#1, main_~check__tmp~151#1, main_~node4__m4~42#1, main_~node3____CPAchecker_TMP_0~9#1, main_~__tmp_149~0#1, main_~assert__arg~148#1, main_~check__tmp~152#1, main_~__tmp_150~0#1, main_~assert__arg~149#1, main_~check__tmp~153#1, main_~node4____CPAchecker_TMP_0~35#1, main_~__tmp_151~0#1, main_~assert__arg~150#1, main_~check__tmp~154#1, main_~node4____CPAchecker_TMP_1~35#1, main_~__tmp_152~0#1, main_~assert__arg~151#1, main_~check__tmp~155#1, main_~node4__m4~43#1, main_~node3____CPAchecker_TMP_1~9#1, main_~__tmp_153~0#1, main_~assert__arg~152#1, main_~check__tmp~156#1, main_~__tmp_154~0#1, main_~assert__arg~153#1, main_~check__tmp~157#1, main_~node4____CPAchecker_TMP_0~36#1, main_~__tmp_155~0#1, main_~assert__arg~154#1, main_~check__tmp~158#1, main_~node4____CPAchecker_TMP_1~36#1, main_~__tmp_156~0#1, main_~assert__arg~155#1, main_~check__tmp~159#1, main_~node4__m4~44#1, main_~node3__m3~13#1, main_~node2____CPAchecker_TMP_1~3#1, main_~node2__m2~5#1, main_~node1____CPAchecker_TMP_1~1#1, main_~node1__m1~0#1, main_~init__tmp~0#1, main_~main__c1~0#1, main_~main__i2~0#1;havoc main_~main__c1~0#1;havoc main_~main__i2~0#1;main_~main__c1~0#1 := 0;~r1~0 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -128 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 127;~id1~0 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -128 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 127;~st1~0 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -128 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 127;~send1~0 := main_#t~nondet7#1;havoc main_#t~nondet7#1;~mode1~0 := main_#t~nondet8#1;havoc main_#t~nondet8#1;~alive1~0 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -128 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 127;~id2~0 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -128 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 127;~st2~0 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -128 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 127;~send2~0 := main_#t~nondet12#1;havoc main_#t~nondet12#1;~mode2~0 := main_#t~nondet13#1;havoc main_#t~nondet13#1;~alive2~0 := main_#t~nondet14#1;havoc main_#t~nondet14#1;assume -128 <= main_#t~nondet15#1 && main_#t~nondet15#1 <= 127;~id3~0 := main_#t~nondet15#1;havoc main_#t~nondet15#1;assume -128 <= main_#t~nondet16#1 && main_#t~nondet16#1 <= 127;~st3~0 := main_#t~nondet16#1;havoc main_#t~nondet16#1;assume -128 <= main_#t~nondet17#1 && main_#t~nondet17#1 <= 127;~send3~0 := main_#t~nondet17#1;havoc main_#t~nondet17#1;~mode3~0 := main_#t~nondet18#1;havoc main_#t~nondet18#1;~alive3~0 := main_#t~nondet19#1;havoc main_#t~nondet19#1;assume -128 <= main_#t~nondet20#1 && main_#t~nondet20#1 <= 127;~id4~0 := main_#t~nondet20#1;havoc main_#t~nondet20#1;assume -128 <= main_#t~nondet21#1 && main_#t~nondet21#1 <= 127;~st4~0 := main_#t~nondet21#1;havoc main_#t~nondet21#1;assume -128 <= main_#t~nondet22#1 && main_#t~nondet22#1 <= 127;~send4~0 := main_#t~nondet22#1;havoc main_#t~nondet22#1;~mode4~0 := main_#t~nondet23#1;havoc main_#t~nondet23#1;~alive4~0 := main_#t~nondet24#1;havoc main_#t~nondet24#1;havoc main_~init__tmp~0#1; {48160#(<= (+ ~nomsg~0 1) 0)} is VALID [2022-02-20 18:47:41,207 INFO L290 TraceCheckUtils]: 2: Hoare triple {48160#(<= (+ ~nomsg~0 1) 0)} assume 0 == ~r1~0 % 256; {48160#(<= (+ ~nomsg~0 1) 0)} is VALID [2022-02-20 18:47:41,207 INFO L290 TraceCheckUtils]: 3: Hoare triple {48160#(<= (+ ~nomsg~0 1) 0)} assume ~alive1~0 % 256 + ~alive2~0 % 256 + ~alive3~0 % 256 + ~alive4~0 % 256 >= 1; {48160#(<= (+ ~nomsg~0 1) 0)} is VALID [2022-02-20 18:47:41,208 INFO L290 TraceCheckUtils]: 4: Hoare triple {48160#(<= (+ ~nomsg~0 1) 0)} assume ~id1~0 >= 0; {48160#(<= (+ ~nomsg~0 1) 0)} is VALID [2022-02-20 18:47:41,208 INFO L290 TraceCheckUtils]: 5: Hoare triple {48160#(<= (+ ~nomsg~0 1) 0)} assume 0 == ~st1~0; {48160#(<= (+ ~nomsg~0 1) 0)} is VALID [2022-02-20 18:47:41,209 INFO L290 TraceCheckUtils]: 6: Hoare triple {48160#(<= (+ ~nomsg~0 1) 0)} assume ~send1~0 == ~id1~0; {48160#(<= (+ ~nomsg~0 1) 0)} is VALID [2022-02-20 18:47:41,209 INFO L290 TraceCheckUtils]: 7: Hoare triple {48160#(<= (+ ~nomsg~0 1) 0)} assume 0 == ~mode1~0 % 256; {48160#(<= (+ ~nomsg~0 1) 0)} is VALID [2022-02-20 18:47:41,209 INFO L290 TraceCheckUtils]: 8: Hoare triple {48160#(<= (+ ~nomsg~0 1) 0)} assume ~id2~0 >= 0; {48161#(<= (+ ~nomsg~0 1) ~id2~0)} is VALID [2022-02-20 18:47:41,210 INFO L290 TraceCheckUtils]: 9: Hoare triple {48161#(<= (+ ~nomsg~0 1) ~id2~0)} assume 0 == ~st2~0; {48161#(<= (+ ~nomsg~0 1) ~id2~0)} is VALID [2022-02-20 18:47:41,210 INFO L290 TraceCheckUtils]: 10: Hoare triple {48161#(<= (+ ~nomsg~0 1) ~id2~0)} assume ~send2~0 == ~id2~0; {48162#(<= (+ ~nomsg~0 1) ~send2~0)} is VALID [2022-02-20 18:47:41,211 INFO L290 TraceCheckUtils]: 11: Hoare triple {48162#(<= (+ ~nomsg~0 1) ~send2~0)} assume 0 == ~mode2~0 % 256; {48162#(<= (+ ~nomsg~0 1) ~send2~0)} is VALID [2022-02-20 18:47:41,211 INFO L290 TraceCheckUtils]: 12: Hoare triple {48162#(<= (+ ~nomsg~0 1) ~send2~0)} assume ~id3~0 >= 0; {48162#(<= (+ ~nomsg~0 1) ~send2~0)} is VALID [2022-02-20 18:47:41,211 INFO L290 TraceCheckUtils]: 13: Hoare triple {48162#(<= (+ ~nomsg~0 1) ~send2~0)} assume 0 == ~st3~0; {48162#(<= (+ ~nomsg~0 1) ~send2~0)} is VALID [2022-02-20 18:47:41,212 INFO L290 TraceCheckUtils]: 14: Hoare triple {48162#(<= (+ ~nomsg~0 1) ~send2~0)} assume ~send3~0 == ~id3~0; {48162#(<= (+ ~nomsg~0 1) ~send2~0)} is VALID [2022-02-20 18:47:41,212 INFO L290 TraceCheckUtils]: 15: Hoare triple {48162#(<= (+ ~nomsg~0 1) ~send2~0)} assume 0 == ~mode3~0 % 256; {48162#(<= (+ ~nomsg~0 1) ~send2~0)} is VALID [2022-02-20 18:47:41,212 INFO L290 TraceCheckUtils]: 16: Hoare triple {48162#(<= (+ ~nomsg~0 1) ~send2~0)} assume ~id4~0 >= 0; {48162#(<= (+ ~nomsg~0 1) ~send2~0)} is VALID [2022-02-20 18:47:41,213 INFO L290 TraceCheckUtils]: 17: Hoare triple {48162#(<= (+ ~nomsg~0 1) ~send2~0)} assume 0 == ~st4~0; {48162#(<= (+ ~nomsg~0 1) ~send2~0)} is VALID [2022-02-20 18:47:41,213 INFO L290 TraceCheckUtils]: 18: Hoare triple {48162#(<= (+ ~nomsg~0 1) ~send2~0)} assume ~send4~0 == ~id4~0; {48162#(<= (+ ~nomsg~0 1) ~send2~0)} is VALID [2022-02-20 18:47:41,213 INFO L290 TraceCheckUtils]: 19: Hoare triple {48162#(<= (+ ~nomsg~0 1) ~send2~0)} assume 0 == ~mode4~0 % 256; {48162#(<= (+ ~nomsg~0 1) ~send2~0)} is VALID [2022-02-20 18:47:41,214 INFO L290 TraceCheckUtils]: 20: Hoare triple {48162#(<= (+ ~nomsg~0 1) ~send2~0)} assume ~id1~0 != ~id2~0; {48162#(<= (+ ~nomsg~0 1) ~send2~0)} is VALID [2022-02-20 18:47:41,214 INFO L290 TraceCheckUtils]: 21: Hoare triple {48162#(<= (+ ~nomsg~0 1) ~send2~0)} assume ~id1~0 != ~id3~0; {48162#(<= (+ ~nomsg~0 1) ~send2~0)} is VALID [2022-02-20 18:47:41,215 INFO L290 TraceCheckUtils]: 22: Hoare triple {48162#(<= (+ ~nomsg~0 1) ~send2~0)} assume ~id1~0 != ~id4~0; {48162#(<= (+ ~nomsg~0 1) ~send2~0)} is VALID [2022-02-20 18:47:41,215 INFO L290 TraceCheckUtils]: 23: Hoare triple {48162#(<= (+ ~nomsg~0 1) ~send2~0)} assume ~id2~0 != ~id3~0; {48162#(<= (+ ~nomsg~0 1) ~send2~0)} is VALID [2022-02-20 18:47:41,215 INFO L290 TraceCheckUtils]: 24: Hoare triple {48162#(<= (+ ~nomsg~0 1) ~send2~0)} assume ~id2~0 != ~id4~0; {48162#(<= (+ ~nomsg~0 1) ~send2~0)} is VALID [2022-02-20 18:47:41,216 INFO L290 TraceCheckUtils]: 25: Hoare triple {48162#(<= (+ ~nomsg~0 1) ~send2~0)} assume ~id3~0 != ~id4~0;main_~init__tmp~0#1 := 1;~__return_19080~0 := main_~init__tmp~0#1;main_~main__i2~0#1 := ~__return_19080~0; {48162#(<= (+ ~nomsg~0 1) ~send2~0)} is VALID [2022-02-20 18:47:41,216 INFO L290 TraceCheckUtils]: 26: Hoare triple {48162#(<= (+ ~nomsg~0 1) ~send2~0)} assume 0 != main_~main__i2~0#1;~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~nomsg~0;~p4_new~0 := ~nomsg~0;main_~main__i2~0#1 := 0;havoc main_~node1__m1~0#1;main_~node1__m1~0#1 := ~nomsg~0; {48162#(<= (+ ~nomsg~0 1) ~send2~0)} is VALID [2022-02-20 18:47:41,216 INFO L290 TraceCheckUtils]: 27: Hoare triple {48162#(<= (+ ~nomsg~0 1) ~send2~0)} assume !!(0 == ~mode1~0 % 256); {48162#(<= (+ ~nomsg~0 1) ~send2~0)} is VALID [2022-02-20 18:47:41,217 INFO L290 TraceCheckUtils]: 28: Hoare triple {48162#(<= (+ ~nomsg~0 1) ~send2~0)} assume !!(0 == ~alive1~0 % 256); {48162#(<= (+ ~nomsg~0 1) ~send2~0)} is VALID [2022-02-20 18:47:41,217 INFO L290 TraceCheckUtils]: 29: Hoare triple {48162#(<= (+ ~nomsg~0 1) ~send2~0)} assume !(~send1~0 != ~id1~0); {48162#(<= (+ ~nomsg~0 1) ~send2~0)} is VALID [2022-02-20 18:47:41,217 INFO L290 TraceCheckUtils]: 30: Hoare triple {48162#(<= (+ ~nomsg~0 1) ~send2~0)} ~mode1~0 := 1;havoc main_~node2__m2~5#1;main_~node2__m2~5#1 := ~nomsg~0; {48162#(<= (+ ~nomsg~0 1) ~send2~0)} is VALID [2022-02-20 18:47:41,218 INFO L290 TraceCheckUtils]: 31: Hoare triple {48162#(<= (+ ~nomsg~0 1) ~send2~0)} assume !!(0 == ~mode2~0 % 256); {48162#(<= (+ ~nomsg~0 1) ~send2~0)} is VALID [2022-02-20 18:47:41,218 INFO L290 TraceCheckUtils]: 32: Hoare triple {48162#(<= (+ ~nomsg~0 1) ~send2~0)} assume !(0 == ~alive2~0 % 256);havoc main_~node2____CPAchecker_TMP_0~3#1; {48162#(<= (+ ~nomsg~0 1) ~send2~0)} is VALID [2022-02-20 18:47:41,219 INFO L290 TraceCheckUtils]: 33: Hoare triple {48162#(<= (+ ~nomsg~0 1) ~send2~0)} assume !(~send2~0 != ~nomsg~0);main_~node2____CPAchecker_TMP_0~3#1 := ~p2_new~0;~p2_new~0 := (if main_~node2____CPAchecker_TMP_0~3#1 % 256 <= 127 then main_~node2____CPAchecker_TMP_0~3#1 % 256 else main_~node2____CPAchecker_TMP_0~3#1 % 256 - 256);~mode2~0 := 1;havoc main_~node3__m3~12#1;main_~node3__m3~12#1 := ~nomsg~0; {48159#false} is VALID [2022-02-20 18:47:41,219 INFO L290 TraceCheckUtils]: 34: Hoare triple {48159#false} assume !!(0 == ~mode3~0 % 256); {48159#false} is VALID [2022-02-20 18:47:41,219 INFO L290 TraceCheckUtils]: 35: Hoare triple {48159#false} assume !(0 == ~alive3~0 % 256);havoc main_~node3____CPAchecker_TMP_0~8#1; {48159#false} is VALID [2022-02-20 18:47:41,219 INFO L290 TraceCheckUtils]: 36: Hoare triple {48159#false} assume !(~send3~0 != ~nomsg~0);main_~node3____CPAchecker_TMP_0~8#1 := ~p3_new~0;~p3_new~0 := (if main_~node3____CPAchecker_TMP_0~8#1 % 256 <= 127 then main_~node3____CPAchecker_TMP_0~8#1 % 256 else main_~node3____CPAchecker_TMP_0~8#1 % 256 - 256);~mode3~0 := 1;havoc main_~node4__m4~38#1;main_~node4__m4~38#1 := ~nomsg~0; {48159#false} is VALID [2022-02-20 18:47:41,219 INFO L290 TraceCheckUtils]: 37: Hoare triple {48159#false} assume !!(0 == ~mode4~0 % 256); {48159#false} is VALID [2022-02-20 18:47:41,219 INFO L290 TraceCheckUtils]: 38: Hoare triple {48159#false} assume !!(0 == ~alive4~0 % 256); {48159#false} is VALID [2022-02-20 18:47:41,220 INFO L290 TraceCheckUtils]: 39: Hoare triple {48159#false} assume !(~send4~0 != ~id4~0);~mode4~0 := 1;~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;havoc main_~check__tmp~135#1; {48159#false} is VALID [2022-02-20 18:47:41,220 INFO L290 TraceCheckUtils]: 40: Hoare triple {48159#false} assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 <= 1; {48159#false} is VALID [2022-02-20 18:47:41,220 INFO L290 TraceCheckUtils]: 41: Hoare triple {48159#false} assume ~r1~0 % 256 < 4;main_~check__tmp~135#1 := 1;~__return_23940~0 := main_~check__tmp~135#1;main_~main__c1~0#1 := ~__return_23940~0;havoc main_~__tmp_132~0#1;main_~__tmp_132~0#1 := (if 0 == main_~main__c1~0#1 then 0 else 1);havoc main_~assert__arg~131#1;main_~assert__arg~131#1 := main_~__tmp_132~0#1; {48159#false} is VALID [2022-02-20 18:47:41,220 INFO L290 TraceCheckUtils]: 42: Hoare triple {48159#false} assume !(0 == main_~assert__arg~131#1 % 256); {48159#false} is VALID [2022-02-20 18:47:41,220 INFO L290 TraceCheckUtils]: 43: Hoare triple {48159#false} havoc main_~node1__m1~1#1;main_~node1__m1~1#1 := ~nomsg~0; {48159#false} is VALID [2022-02-20 18:47:41,220 INFO L290 TraceCheckUtils]: 44: Hoare triple {48159#false} assume !(0 == ~mode1~0 % 256); {48159#false} is VALID [2022-02-20 18:47:41,221 INFO L290 TraceCheckUtils]: 45: Hoare triple {48159#false} assume !(255 == ~r1~0 % 256);~r1~0 := 1 + ~r1~0 % 256;main_~node1__m1~1#1 := ~p4_old~0;~p4_old~0 := ~nomsg~0; {48159#false} is VALID [2022-02-20 18:47:41,221 INFO L290 TraceCheckUtils]: 46: Hoare triple {48159#false} assume !(main_~node1__m1~1#1 != ~nomsg~0);~mode1~0 := 0; {48159#false} is VALID [2022-02-20 18:47:41,221 INFO L290 TraceCheckUtils]: 47: Hoare triple {48159#false} havoc main_~node2__m2~1#1;main_~node2__m2~1#1 := ~nomsg~0; {48159#false} is VALID [2022-02-20 18:47:41,221 INFO L290 TraceCheckUtils]: 48: Hoare triple {48159#false} assume !(0 == ~mode2~0 % 256);main_~node2__m2~1#1 := ~p1_old~0;~p1_old~0 := ~nomsg~0; {48159#false} is VALID [2022-02-20 18:47:41,221 INFO L290 TraceCheckUtils]: 49: Hoare triple {48159#false} assume main_~node2__m2~1#1 != ~nomsg~0; {48159#false} is VALID [2022-02-20 18:47:41,221 INFO L290 TraceCheckUtils]: 50: Hoare triple {48159#false} assume !(0 == ~alive2~0 % 256); {48159#false} is VALID [2022-02-20 18:47:41,222 INFO L290 TraceCheckUtils]: 51: Hoare triple {48159#false} assume !(main_~node2__m2~1#1 > ~id2~0); {48159#false} is VALID [2022-02-20 18:47:41,222 INFO L290 TraceCheckUtils]: 52: Hoare triple {48159#false} assume main_~node2__m2~1#1 == ~id2~0;~st2~0 := 1;~mode2~0 := 0;havoc main_~node3__m3~3#1;main_~node3__m3~3#1 := ~nomsg~0; {48159#false} is VALID [2022-02-20 18:47:41,222 INFO L290 TraceCheckUtils]: 53: Hoare triple {48159#false} assume !(0 == ~mode3~0 % 256);main_~node3__m3~3#1 := ~p2_old~0;~p2_old~0 := ~nomsg~0; {48159#false} is VALID [2022-02-20 18:47:41,222 INFO L290 TraceCheckUtils]: 54: Hoare triple {48159#false} assume main_~node3__m3~3#1 != ~nomsg~0; {48159#false} is VALID [2022-02-20 18:47:41,222 INFO L290 TraceCheckUtils]: 55: Hoare triple {48159#false} assume !(0 == ~alive3~0 % 256); {48159#false} is VALID [2022-02-20 18:47:41,222 INFO L290 TraceCheckUtils]: 56: Hoare triple {48159#false} assume !(main_~node3__m3~3#1 > ~id3~0); {48159#false} is VALID [2022-02-20 18:47:41,223 INFO L290 TraceCheckUtils]: 57: Hoare triple {48159#false} assume main_~node3__m3~3#1 == ~id3~0;~st3~0 := 1;~mode3~0 := 0;havoc main_~node4__m4~5#1;main_~node4__m4~5#1 := ~nomsg~0; {48159#false} is VALID [2022-02-20 18:47:41,223 INFO L290 TraceCheckUtils]: 58: Hoare triple {48159#false} assume !(0 == ~mode4~0 % 256);main_~node4__m4~5#1 := ~p3_old~0;~p3_old~0 := ~nomsg~0; {48159#false} is VALID [2022-02-20 18:47:41,223 INFO L290 TraceCheckUtils]: 59: Hoare triple {48159#false} assume !(main_~node4__m4~5#1 != ~nomsg~0);~mode4~0 := 0; {48159#false} is VALID [2022-02-20 18:47:41,223 INFO L290 TraceCheckUtils]: 60: Hoare triple {48159#false} ~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;havoc main_~check__tmp~8#1; {48159#false} is VALID [2022-02-20 18:47:41,223 INFO L290 TraceCheckUtils]: 61: Hoare triple {48159#false} assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 <= 1);main_~check__tmp~8#1 := 0;~__return_22543~0 := main_~check__tmp~8#1;main_~main__c1~0#1 := ~__return_22543~0;havoc main_~__tmp_9~0#1;main_~__tmp_9~0#1 := (if 0 == main_~main__c1~0#1 then 0 else 1);havoc main_~assert__arg~8#1;main_~assert__arg~8#1 := main_~__tmp_9~0#1; {48159#false} is VALID [2022-02-20 18:47:41,223 INFO L290 TraceCheckUtils]: 62: Hoare triple {48159#false} assume 0 == main_~assert__arg~8#1 % 256; {48159#false} is VALID [2022-02-20 18:47:41,224 INFO L290 TraceCheckUtils]: 63: Hoare triple {48159#false} assume !false; {48159#false} is VALID [2022-02-20 18:47:41,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 18:47:41,224 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 18:47:41,224 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [145062157] [2022-02-20 18:47:41,224 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [145062157] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 18:47:41,225 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 18:47:41,225 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-20 18:47:41,225 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769299071] [2022-02-20 18:47:41,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 18:47:41,226 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2022-02-20 18:47:41,226 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 18:47:41,226 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 18:47:41,275 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 64 edges. 64 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:47:41,275 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-20 18:47:41,275 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 18:47:41,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-20 18:47:41,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-20 18:47:41,276 INFO L87 Difference]: Start difference. First operand 2803 states and 3852 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 18:47:47,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:47:47,739 INFO L93 Difference]: Finished difference Result 6625 states and 9341 transitions. [2022-02-20 18:47:47,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-20 18:47:47,740 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2022-02-20 18:47:47,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 18:47:47,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 18:47:47,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1722 transitions. [2022-02-20 18:47:47,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 18:47:47,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1722 transitions. [2022-02-20 18:47:47,749 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 1722 transitions. [2022-02-20 18:47:48,887 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 1722 edges. 1722 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:47:49,558 INFO L225 Difference]: With dead ends: 6625 [2022-02-20 18:47:49,558 INFO L226 Difference]: Without dead ends: 4111 [2022-02-20 18:47:49,561 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-02-20 18:47:49,562 INFO L933 BasicCegarLoop]: 488 mSDtfsCounter, 2705 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 376 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2705 SdHoareTripleChecker+Valid, 644 SdHoareTripleChecker+Invalid, 394 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 376 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-20 18:47:49,562 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2705 Valid, 644 Invalid, 394 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 376 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-20 18:47:49,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4111 states. [2022-02-20 18:47:53,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4111 to 4103. [2022-02-20 18:47:53,094 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 18:47:53,099 INFO L82 GeneralOperation]: Start isEquivalent. First operand 4111 states. Second operand has 4103 states, 4096 states have (on average 1.41162109375) internal successors, (5782), 4102 states have internal predecessors, (5782), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 18:47:53,104 INFO L74 IsIncluded]: Start isIncluded. First operand 4111 states. Second operand has 4103 states, 4096 states have (on average 1.41162109375) internal successors, (5782), 4102 states have internal predecessors, (5782), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 18:47:53,109 INFO L87 Difference]: Start difference. First operand 4111 states. Second operand has 4103 states, 4096 states have (on average 1.41162109375) internal successors, (5782), 4102 states have internal predecessors, (5782), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 18:47:53,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:47:53,699 INFO L93 Difference]: Finished difference Result 4111 states and 5786 transitions. [2022-02-20 18:47:53,700 INFO L276 IsEmpty]: Start isEmpty. Operand 4111 states and 5786 transitions. [2022-02-20 18:47:53,703 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:47:53,703 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:47:53,708 INFO L74 IsIncluded]: Start isIncluded. First operand has 4103 states, 4096 states have (on average 1.41162109375) internal successors, (5782), 4102 states have internal predecessors, (5782), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 4111 states. [2022-02-20 18:47:53,712 INFO L87 Difference]: Start difference. First operand has 4103 states, 4096 states have (on average 1.41162109375) internal successors, (5782), 4102 states have internal predecessors, (5782), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 4111 states. [2022-02-20 18:47:54,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:47:54,248 INFO L93 Difference]: Finished difference Result 4111 states and 5786 transitions. [2022-02-20 18:47:54,248 INFO L276 IsEmpty]: Start isEmpty. Operand 4111 states and 5786 transitions. [2022-02-20 18:47:54,252 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:47:54,252 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:47:54,252 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 18:47:54,252 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 18:47:54,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4103 states, 4096 states have (on average 1.41162109375) internal successors, (5782), 4102 states have internal predecessors, (5782), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 18:47:54,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4103 states to 4103 states and 5782 transitions. [2022-02-20 18:47:54,946 INFO L78 Accepts]: Start accepts. Automaton has 4103 states and 5782 transitions. Word has length 64 [2022-02-20 18:47:54,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 18:47:54,947 INFO L470 AbstractCegarLoop]: Abstraction has 4103 states and 5782 transitions. [2022-02-20 18:47:54,947 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 18:47:54,947 INFO L276 IsEmpty]: Start isEmpty. Operand 4103 states and 5782 transitions. [2022-02-20 18:47:54,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-02-20 18:47:54,949 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 18:47:54,949 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 18:47:54,950 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-02-20 18:47:54,950 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2022-02-20 18:47:54,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 18:47:54,950 INFO L85 PathProgramCache]: Analyzing trace with hash -1051430303, now seen corresponding path program 1 times [2022-02-20 18:47:54,950 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 18:47:54,951 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1936329072] [2022-02-20 18:47:54,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 18:47:54,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 18:47:55,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:47:55,052 INFO L290 TraceCheckUtils]: 0: Hoare triple {70363#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(63, 2);call #Ultimate.allocInit(12, 3);~__return_main~0 := 0;~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~alive1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~alive2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~alive3~0 := 0;~p4~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~send4~0 := 0;~mode4~0 := 0;~alive4~0 := 0;~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[0 := #funAddr~node1.base], ~nodes~0.offset[0 := #funAddr~node1.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[1 := #funAddr~node2.base], ~nodes~0.offset[1 := #funAddr~node2.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[2 := #funAddr~node3.base], ~nodes~0.offset[2 := #funAddr~node3.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[3 := #funAddr~node4.base], ~nodes~0.offset[3 := #funAddr~node4.offset];~__return_19080~0 := 0;~__return_22830~0 := 0;~__return_19254~0 := 0;~__return_19337~0 := 0;~__return_19754~0 := 0;~__return_20306~0 := 0;~__return_20551~0 := 0;~__return_21733~0 := 0;~__return_21990~0 := 0;~__return_22543~0 := 0;~__return_22792~0 := 0;~__return_19596~0 := 0;~__return_19829~0 := 0;~__return_20393~0 := 0;~__return_20629~0 := 0;~__return_21832~0 := 0;~__return_22068~0 := 0;~__return_22633~0 := 0;~__return_22752~0 := 0;~__return_22911~0 := 0;~__return_22878~0 := 0;~__return_22581~0 := 0;~__return_22492~0 := 0;~__return_22703~0 := 0;~__return_22670~0 := 0;~__return_23135~0 := 0;~__return_23104~0 := 0;~__return_23198~0 := 0;~__return_23165~0 := 0;~__return_22990~0 := 0;~__return_22959~0 := 0;~__return_23053~0 := 0;~__return_23020~0 := 0;~__return_22028~0 := 0;~__return_21951~0 := 0;~__return_22138~0 := 0;~__return_22105~0 := 0;~__return_21769~0 := 0;~__return_21668~0 := 0;~__return_21902~0 := 0;~__return_21869~0 := 0;~__return_22362~0 := 0;~__return_22331~0 := 0;~__return_22425~0 := 0;~__return_22392~0 := 0;~__return_22217~0 := 0;~__return_22186~0 := 0;~__return_22280~0 := 0;~__return_22247~0 := 0;~__return_23438~0 := 0;~__return_23407~0 := 0;~__return_23501~0 := 0;~__return_23468~0 := 0;~__return_23295~0 := 0;~__return_23264~0 := 0;~__return_23358~0 := 0;~__return_23325~0 := 0;~__return_23725~0 := 0;~__return_23694~0 := 0;~__return_23788~0 := 0;~__return_23755~0 := 0;~__return_23580~0 := 0;~__return_23549~0 := 0;~__return_23643~0 := 0;~__return_23610~0 := 0;~__return_20589~0 := 0;~__return_20512~0 := 0;~__return_20699~0 := 0;~__return_20666~0 := 0;~__return_20342~0 := 0;~__return_20253~0 := 0;~__return_20463~0 := 0;~__return_20430~0 := 0;~__return_20923~0 := 0;~__return_20892~0 := 0;~__return_20986~0 := 0;~__return_20953~0 := 0;~__return_20778~0 := 0;~__return_20747~0 := 0;~__return_20841~0 := 0;~__return_20808~0 := 0;~__return_19790~0 := 0;~__return_19713~0 := 0;~__return_19899~0 := 0;~__return_19866~0 := 0;~__return_19519~0 := 0;~__return_19179~0 := 0;~__return_19664~0 := 0;~__return_19631~0 := 0;~__return_20123~0 := 0;~__return_20092~0 := 0;~__return_20186~0 := 0;~__return_20153~0 := 0;~__return_19978~0 := 0;~__return_19947~0 := 0;~__return_20041~0 := 0;~__return_20008~0 := 0;~__return_21226~0 := 0;~__return_21195~0 := 0;~__return_21289~0 := 0;~__return_21256~0 := 0;~__return_21083~0 := 0;~__return_21052~0 := 0;~__return_21146~0 := 0;~__return_21113~0 := 0;~__return_21513~0 := 0;~__return_21482~0 := 0;~__return_21576~0 := 0;~__return_21543~0 := 0;~__return_21368~0 := 0;~__return_21337~0 := 0;~__return_21431~0 := 0;~__return_21398~0 := 0;~__return_24644~0 := 0;~__return_24613~0 := 0;~__return_24707~0 := 0;~__return_24674~0 := 0;~__return_24501~0 := 0;~__return_24470~0 := 0;~__return_24564~0 := 0;~__return_24531~0 := 0;~__return_24931~0 := 0;~__return_24900~0 := 0;~__return_24994~0 := 0;~__return_24961~0 := 0;~__return_24786~0 := 0;~__return_24755~0 := 0;~__return_24849~0 := 0;~__return_24816~0 := 0;~__return_24053~0 := 0;~__return_24022~0 := 0;~__return_24116~0 := 0;~__return_24083~0 := 0;~__return_23910~0 := 0;~__return_23879~0 := 0;~__return_23973~0 := 0;~__return_23940~0 := 0;~__return_24340~0 := 0;~__return_24309~0 := 0;~__return_24403~0 := 0;~__return_24370~0 := 0;~__return_24195~0 := 0;~__return_24164~0 := 0;~__return_24258~0 := 0;~__return_24225~0 := 0;~__return_25234~0 := 0;~__return_25203~0 := 0;~__return_25297~0 := 0;~__return_25264~0 := 0;~__return_25091~0 := 0;~__return_25060~0 := 0;~__return_25154~0 := 0;~__return_25121~0 := 0;~__return_25521~0 := 0;~__return_25490~0 := 0;~__return_25584~0 := 0;~__return_25551~0 := 0;~__return_25376~0 := 0;~__return_25345~0 := 0;~__return_25439~0 := 0;~__return_25406~0 := 0; {70363#true} is VALID [2022-02-20 18:47:55,052 INFO L290 TraceCheckUtils]: 1: Hoare triple {70363#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_~__tmp_3~0#1, main_~assert__arg~2#1, main_~check__tmp~2#1, main_~node4____CPAchecker_TMP_0~1#1, main_~node4____CPAchecker_TMP_1~0#1, main_~node4__m4~2#1, main_~node3____CPAchecker_TMP_0~1#1, main_~node3____CPAchecker_TMP_1~0#1, main_~node3__m3~2#1, main_~node2____CPAchecker_TMP_0~1#1, main_~node2____CPAchecker_TMP_1~0#1, main_~node2__m2~2#1, main_~node1____CPAchecker_TMP_0~1#1, main_~node1____CPAchecker_TMP_1~0#1, main_~node1__m1~2#1, main_~__tmp_2~0#1, main_~assert__arg~1#1, main_~check__tmp~1#1, main_~__tmp_4~0#1, main_~assert__arg~3#1, main_~check__tmp~3#1, main_~node4__m4~1#1, main_~__tmp_5~0#1, main_~assert__arg~4#1, main_~check__tmp~4#1, main_~__tmp_6~0#1, main_~assert__arg~5#1, main_~check__tmp~5#1, main_~node4__m4~3#1, main_~node3__m3~1#1, main_~__tmp_7~0#1, main_~assert__arg~6#1, main_~check__tmp~6#1, main_~__tmp_8~0#1, main_~assert__arg~7#1, main_~check__tmp~7#1, main_~node4__m4~4#1, main_~__tmp_9~0#1, main_~assert__arg~8#1, main_~check__tmp~8#1, main_~check__tmp~9#1, main_~node4__m4~5#1, main_~node3__m3~3#1, main_~node2__m2~1#1, main_~__tmp_10~0#1, main_~assert__arg~9#1, main_~check__tmp~10#1, main_~__tmp_11~0#1, main_~assert__arg~10#1, main_~check__tmp~11#1, main_~node4__m4~6#1, main_~__tmp_12~0#1, main_~assert__arg~11#1, main_~check__tmp~12#1, main_~check__tmp~13#1, main_~node4__m4~7#1, main_~node3__m3~4#1, main_~__tmp_13~0#1, main_~assert__arg~12#1, main_~check__tmp~14#1, main_~check__tmp~15#1, main_~node4__m4~8#1, main_~check__tmp~16#1, main_~node4__m4~9#1, main_~node3__m3~5#1, main_~node2__m2~3#1, main_~node1__m1~1#1, main_~__tmp_1~0#1, main_~assert__arg~0#1, main_~check__tmp~0#1, main_~__tmp_14~0#1, main_~assert__arg~13#1, main_~check__tmp~17#1, main_~node4____CPAchecker_TMP_0~0#1, main_~__tmp_15~0#1, main_~assert__arg~14#1, main_~check__tmp~18#1, main_~node4____CPAchecker_TMP_1~1#1, main_~__tmp_16~0#1, main_~assert__arg~15#1, main_~check__tmp~19#1, main_~node4__m4~0#1, main_~__tmp_17~0#1, main_~assert__arg~16#1, main_~check__tmp~20#1, main_~__tmp_18~0#1, main_~assert__arg~17#1, main_~check__tmp~21#1, main_~node4____CPAchecker_TMP_0~2#1, main_~__tmp_19~0#1, main_~assert__arg~18#1, main_~check__tmp~22#1, main_~node4____CPAchecker_TMP_1~2#1, main_~__tmp_20~0#1, main_~assert__arg~19#1, main_~check__tmp~23#1, main_~node4__m4~10#1, main_~node3____CPAchecker_TMP_0~0#1, main_~__tmp_21~0#1, main_~assert__arg~20#1, main_~check__tmp~24#1, main_~__tmp_22~0#1, main_~assert__arg~21#1, main_~check__tmp~25#1, main_~node4____CPAchecker_TMP_0~3#1, main_~__tmp_23~0#1, main_~assert__arg~22#1, main_~check__tmp~26#1, main_~node4____CPAchecker_TMP_1~3#1, main_~__tmp_24~0#1, main_~assert__arg~23#1, main_~check__tmp~27#1, main_~node4__m4~11#1, main_~node3____CPAchecker_TMP_1~1#1, main_~__tmp_25~0#1, main_~assert__arg~24#1, main_~check__tmp~28#1, main_~__tmp_26~0#1, main_~assert__arg~25#1, main_~check__tmp~29#1, main_~node4____CPAchecker_TMP_0~4#1, main_~__tmp_27~0#1, main_~assert__arg~26#1, main_~check__tmp~30#1, main_~node4____CPAchecker_TMP_1~4#1, main_~__tmp_28~0#1, main_~assert__arg~27#1, main_~check__tmp~31#1, main_~node4__m4~12#1, main_~node3__m3~0#1, main_~__tmp_29~0#1, main_~assert__arg~28#1, main_~check__tmp~32#1, main_~__tmp_30~0#1, main_~assert__arg~29#1, main_~check__tmp~33#1, main_~node4____CPAchecker_TMP_0~5#1, main_~__tmp_31~0#1, main_~assert__arg~30#1, main_~check__tmp~34#1, main_~node4____CPAchecker_TMP_1~5#1, main_~__tmp_32~0#1, main_~assert__arg~31#1, main_~check__tmp~35#1, main_~node4__m4~13#1, main_~__tmp_33~0#1, main_~assert__arg~32#1, main_~check__tmp~36#1, main_~__tmp_34~0#1, main_~assert__arg~33#1, main_~check__tmp~37#1, main_~node4____CPAchecker_TMP_0~6#1, main_~__tmp_35~0#1, main_~assert__arg~34#1, main_~check__tmp~38#1, main_~node4____CPAchecker_TMP_1~6#1, main_~__tmp_36~0#1, main_~assert__arg~35#1, main_~check__tmp~39#1, main_~node4__m4~14#1, main_~node3____CPAchecker_TMP_0~2#1, main_~__tmp_37~0#1, main_~assert__arg~36#1, main_~check__tmp~40#1, main_~__tmp_38~0#1, main_~assert__arg~37#1, main_~check__tmp~41#1, main_~node4____CPAchecker_TMP_0~7#1, main_~__tmp_39~0#1, main_~assert__arg~38#1, main_~check__tmp~42#1, main_~node4____CPAchecker_TMP_1~7#1, main_~__tmp_40~0#1, main_~assert__arg~39#1, main_~check__tmp~43#1, main_~node4__m4~15#1, main_~node3____CPAchecker_TMP_1~2#1, main_~__tmp_41~0#1, main_~assert__arg~40#1, main_~check__tmp~44#1, main_~__tmp_42~0#1, main_~assert__arg~41#1, main_~check__tmp~45#1, main_~node4____CPAchecker_TMP_0~8#1, main_~__tmp_43~0#1, main_~assert__arg~42#1, main_~check__tmp~46#1, main_~node4____CPAchecker_TMP_1~8#1, main_~__tmp_44~0#1, main_~assert__arg~43#1, main_~check__tmp~47#1, main_~node4__m4~16#1, main_~node3__m3~6#1, main_~node2____CPAchecker_TMP_0~0#1, main_~__tmp_45~0#1, main_~assert__arg~44#1, main_~check__tmp~48#1, main_~__tmp_46~0#1, main_~assert__arg~45#1, main_~check__tmp~49#1, main_~node4____CPAchecker_TMP_0~9#1, main_~__tmp_47~0#1, main_~assert__arg~46#1, main_~check__tmp~50#1, main_~node4____CPAchecker_TMP_1~9#1, main_~__tmp_48~0#1, main_~assert__arg~47#1, main_~check__tmp~51#1, main_~node4__m4~17#1, main_~__tmp_49~0#1, main_~assert__arg~48#1, main_~check__tmp~52#1, main_~__tmp_50~0#1, main_~assert__arg~49#1, main_~check__tmp~53#1, main_~node4____CPAchecker_TMP_0~10#1, main_~__tmp_51~0#1, main_~assert__arg~50#1, main_~check__tmp~54#1, main_~node4____CPAchecker_TMP_1~10#1, main_~__tmp_52~0#1, main_~assert__arg~51#1, main_~check__tmp~55#1, main_~node4__m4~18#1, main_~node3____CPAchecker_TMP_0~3#1, main_~__tmp_53~0#1, main_~assert__arg~52#1, main_~check__tmp~56#1, main_~__tmp_54~0#1, main_~assert__arg~53#1, main_~check__tmp~57#1, main_~node4____CPAchecker_TMP_0~11#1, main_~__tmp_55~0#1, main_~assert__arg~54#1, main_~check__tmp~58#1, main_~node4____CPAchecker_TMP_1~11#1, main_~__tmp_56~0#1, main_~assert__arg~55#1, main_~check__tmp~59#1, main_~node4__m4~19#1, main_~node3____CPAchecker_TMP_1~3#1, main_~__tmp_57~0#1, main_~assert__arg~56#1, main_~check__tmp~60#1, main_~__tmp_58~0#1, main_~assert__arg~57#1, main_~check__tmp~61#1, main_~node4____CPAchecker_TMP_0~12#1, main_~__tmp_59~0#1, main_~assert__arg~58#1, main_~check__tmp~62#1, main_~node4____CPAchecker_TMP_1~12#1, main_~__tmp_60~0#1, main_~assert__arg~59#1, main_~check__tmp~63#1, main_~node4__m4~20#1, main_~node3__m3~7#1, main_~node2____CPAchecker_TMP_1~1#1, main_~node2__m2~0#1, main_~__tmp_61~0#1, main_~assert__arg~60#1, main_~check__tmp~64#1, main_~__tmp_62~0#1, main_~assert__arg~61#1, main_~check__tmp~65#1, main_~node4____CPAchecker_TMP_0~13#1, main_~__tmp_63~0#1, main_~assert__arg~62#1, main_~check__tmp~66#1, main_~node4____CPAchecker_TMP_1~13#1, main_~__tmp_64~0#1, main_~assert__arg~63#1, main_~check__tmp~67#1, main_~node4__m4~21#1, main_~__tmp_65~0#1, main_~assert__arg~64#1, main_~check__tmp~68#1, main_~__tmp_66~0#1, main_~assert__arg~65#1, main_~check__tmp~69#1, main_~node4____CPAchecker_TMP_0~14#1, main_~__tmp_67~0#1, main_~assert__arg~66#1, main_~check__tmp~70#1, main_~node4____CPAchecker_TMP_1~14#1, main_~__tmp_68~0#1, main_~assert__arg~67#1, main_~check__tmp~71#1, main_~node4__m4~22#1, main_~node3____CPAchecker_TMP_0~4#1, main_~__tmp_69~0#1, main_~assert__arg~68#1, main_~check__tmp~72#1, main_~__tmp_70~0#1, main_~assert__arg~69#1, main_~check__tmp~73#1, main_~node4____CPAchecker_TMP_0~15#1, main_~__tmp_71~0#1, main_~assert__arg~70#1, main_~check__tmp~74#1, main_~node4____CPAchecker_TMP_1~15#1, main_~__tmp_72~0#1, main_~assert__arg~71#1, main_~check__tmp~75#1, main_~node4__m4~23#1, main_~node3____CPAchecker_TMP_1~4#1, main_~__tmp_73~0#1, main_~assert__arg~72#1, main_~check__tmp~76#1, main_~__tmp_74~0#1, main_~assert__arg~73#1, main_~check__tmp~77#1, main_~node4____CPAchecker_TMP_0~16#1, main_~__tmp_75~0#1, main_~assert__arg~74#1, main_~check__tmp~78#1, main_~node4____CPAchecker_TMP_1~16#1, main_~__tmp_76~0#1, main_~assert__arg~75#1, main_~check__tmp~79#1, main_~node4__m4~24#1, main_~node3__m3~8#1, main_~__tmp_77~0#1, main_~assert__arg~76#1, main_~check__tmp~80#1, main_~__tmp_78~0#1, main_~assert__arg~77#1, main_~check__tmp~81#1, main_~node4____CPAchecker_TMP_0~17#1, main_~__tmp_79~0#1, main_~assert__arg~78#1, main_~check__tmp~82#1, main_~node4____CPAchecker_TMP_1~17#1, main_~__tmp_80~0#1, main_~assert__arg~79#1, main_~check__tmp~83#1, main_~node4__m4~25#1, main_~__tmp_81~0#1, main_~assert__arg~80#1, main_~check__tmp~84#1, main_~__tmp_82~0#1, main_~assert__arg~81#1, main_~check__tmp~85#1, main_~node4____CPAchecker_TMP_0~18#1, main_~__tmp_83~0#1, main_~assert__arg~82#1, main_~check__tmp~86#1, main_~node4____CPAchecker_TMP_1~18#1, main_~__tmp_84~0#1, main_~assert__arg~83#1, main_~check__tmp~87#1, main_~node4__m4~26#1, main_~node3____CPAchecker_TMP_0~5#1, main_~__tmp_85~0#1, main_~assert__arg~84#1, main_~check__tmp~88#1, main_~__tmp_86~0#1, main_~assert__arg~85#1, main_~check__tmp~89#1, main_~node4____CPAchecker_TMP_0~19#1, main_~__tmp_87~0#1, main_~assert__arg~86#1, main_~check__tmp~90#1, main_~node4____CPAchecker_TMP_1~19#1, main_~__tmp_88~0#1, main_~assert__arg~87#1, main_~check__tmp~91#1, main_~node4__m4~27#1, main_~node3____CPAchecker_TMP_1~5#1, main_~__tmp_89~0#1, main_~assert__arg~88#1, main_~check__tmp~92#1, main_~__tmp_90~0#1, main_~assert__arg~89#1, main_~check__tmp~93#1, main_~node4____CPAchecker_TMP_0~20#1, main_~__tmp_91~0#1, main_~assert__arg~90#1, main_~check__tmp~94#1, main_~node4____CPAchecker_TMP_1~20#1, main_~__tmp_92~0#1, main_~assert__arg~91#1, main_~check__tmp~95#1, main_~node4__m4~28#1, main_~node3__m3~9#1, main_~node2____CPAchecker_TMP_0~2#1, main_~__tmp_93~0#1, main_~assert__arg~92#1, main_~check__tmp~96#1, main_~__tmp_94~0#1, main_~assert__arg~93#1, main_~check__tmp~97#1, main_~node4____CPAchecker_TMP_0~21#1, main_~__tmp_95~0#1, main_~assert__arg~94#1, main_~check__tmp~98#1, main_~node4____CPAchecker_TMP_1~21#1, main_~__tmp_96~0#1, main_~assert__arg~95#1, main_~check__tmp~99#1, main_~node4__m4~29#1, main_~__tmp_97~0#1, main_~assert__arg~96#1, main_~check__tmp~100#1, main_~__tmp_98~0#1, main_~assert__arg~97#1, main_~check__tmp~101#1, main_~node4____CPAchecker_TMP_0~22#1, main_~__tmp_99~0#1, main_~assert__arg~98#1, main_~check__tmp~102#1, main_~node4____CPAchecker_TMP_1~22#1, main_~__tmp_100~0#1, main_~assert__arg~99#1, main_~check__tmp~103#1, main_~node4__m4~30#1, main_~node3____CPAchecker_TMP_0~6#1, main_~__tmp_101~0#1, main_~assert__arg~100#1, main_~check__tmp~104#1, main_~__tmp_102~0#1, main_~assert__arg~101#1, main_~check__tmp~105#1, main_~node4____CPAchecker_TMP_0~23#1, main_~__tmp_103~0#1, main_~assert__arg~102#1, main_~check__tmp~106#1, main_~node4____CPAchecker_TMP_1~23#1, main_~__tmp_104~0#1, main_~assert__arg~103#1, main_~check__tmp~107#1, main_~node4__m4~31#1, main_~node3____CPAchecker_TMP_1~6#1, main_~__tmp_105~0#1, main_~assert__arg~104#1, main_~check__tmp~108#1, main_~__tmp_106~0#1, main_~assert__arg~105#1, main_~check__tmp~109#1, main_~node4____CPAchecker_TMP_0~24#1, main_~__tmp_107~0#1, main_~assert__arg~106#1, main_~check__tmp~110#1, main_~node4____CPAchecker_TMP_1~24#1, main_~__tmp_108~0#1, main_~assert__arg~107#1, main_~check__tmp~111#1, main_~node4__m4~32#1, main_~node3__m3~10#1, main_~node2____CPAchecker_TMP_1~2#1, main_~node2__m2~4#1, main_~node1____CPAchecker_TMP_0~0#1, main_~__tmp_109~0#1, main_~assert__arg~108#1, main_~check__tmp~112#1, main_~__tmp_110~0#1, main_~assert__arg~109#1, main_~check__tmp~113#1, main_~node4____CPAchecker_TMP_0~25#1, main_~__tmp_111~0#1, main_~assert__arg~110#1, main_~check__tmp~114#1, main_~node4____CPAchecker_TMP_1~25#1, main_~__tmp_112~0#1, main_~assert__arg~111#1, main_~check__tmp~115#1, main_~node4__m4~33#1, main_~__tmp_113~0#1, main_~assert__arg~112#1, main_~check__tmp~116#1, main_~__tmp_114~0#1, main_~assert__arg~113#1, main_~check__tmp~117#1, main_~node4____CPAchecker_TMP_0~26#1, main_~__tmp_115~0#1, main_~assert__arg~114#1, main_~check__tmp~118#1, main_~node4____CPAchecker_TMP_1~26#1, main_~__tmp_116~0#1, main_~assert__arg~115#1, main_~check__tmp~119#1, main_~node4__m4~34#1, main_~node3____CPAchecker_TMP_0~7#1, main_~__tmp_117~0#1, main_~assert__arg~116#1, main_~check__tmp~120#1, main_~__tmp_118~0#1, main_~assert__arg~117#1, main_~check__tmp~121#1, main_~node4____CPAchecker_TMP_0~27#1, main_~__tmp_119~0#1, main_~assert__arg~118#1, main_~check__tmp~122#1, main_~node4____CPAchecker_TMP_1~27#1, main_~__tmp_120~0#1, main_~assert__arg~119#1, main_~check__tmp~123#1, main_~node4__m4~35#1, main_~node3____CPAchecker_TMP_1~7#1, main_~__tmp_121~0#1, main_~assert__arg~120#1, main_~check__tmp~124#1, main_~__tmp_122~0#1, main_~assert__arg~121#1, main_~check__tmp~125#1, main_~node4____CPAchecker_TMP_0~28#1, main_~__tmp_123~0#1, main_~assert__arg~122#1, main_~check__tmp~126#1, main_~node4____CPAchecker_TMP_1~28#1, main_~__tmp_124~0#1, main_~assert__arg~123#1, main_~check__tmp~127#1, main_~node4__m4~36#1, main_~node3__m3~11#1, main_~__tmp_125~0#1, main_~assert__arg~124#1, main_~check__tmp~128#1, main_~__tmp_126~0#1, main_~assert__arg~125#1, main_~check__tmp~129#1, main_~node4____CPAchecker_TMP_0~29#1, main_~__tmp_127~0#1, main_~assert__arg~126#1, main_~check__tmp~130#1, main_~node4____CPAchecker_TMP_1~29#1, main_~__tmp_128~0#1, main_~assert__arg~127#1, main_~check__tmp~131#1, main_~node4__m4~37#1, main_~__tmp_129~0#1, main_~assert__arg~128#1, main_~check__tmp~132#1, main_~__tmp_130~0#1, main_~assert__arg~129#1, main_~check__tmp~133#1, main_~node4____CPAchecker_TMP_0~30#1, main_~__tmp_131~0#1, main_~assert__arg~130#1, main_~check__tmp~134#1, main_~node4____CPAchecker_TMP_1~30#1, main_~__tmp_132~0#1, main_~assert__arg~131#1, main_~check__tmp~135#1, main_~node4__m4~38#1, main_~node3____CPAchecker_TMP_0~8#1, main_~__tmp_133~0#1, main_~assert__arg~132#1, main_~check__tmp~136#1, main_~__tmp_134~0#1, main_~assert__arg~133#1, main_~check__tmp~137#1, main_~node4____CPAchecker_TMP_0~31#1, main_~__tmp_135~0#1, main_~assert__arg~134#1, main_~check__tmp~138#1, main_~node4____CPAchecker_TMP_1~31#1, main_~__tmp_136~0#1, main_~assert__arg~135#1, main_~check__tmp~139#1, main_~node4__m4~39#1, main_~node3____CPAchecker_TMP_1~8#1, main_~__tmp_137~0#1, main_~assert__arg~136#1, main_~check__tmp~140#1, main_~__tmp_138~0#1, main_~assert__arg~137#1, main_~check__tmp~141#1, main_~node4____CPAchecker_TMP_0~32#1, main_~__tmp_139~0#1, main_~assert__arg~138#1, main_~check__tmp~142#1, main_~node4____CPAchecker_TMP_1~32#1, main_~__tmp_140~0#1, main_~assert__arg~139#1, main_~check__tmp~143#1, main_~node4__m4~40#1, main_~node3__m3~12#1, main_~node2____CPAchecker_TMP_0~3#1, main_~__tmp_141~0#1, main_~assert__arg~140#1, main_~check__tmp~144#1, main_~__tmp_142~0#1, main_~assert__arg~141#1, main_~check__tmp~145#1, main_~node4____CPAchecker_TMP_0~33#1, main_~__tmp_143~0#1, main_~assert__arg~142#1, main_~check__tmp~146#1, main_~node4____CPAchecker_TMP_1~33#1, main_~__tmp_144~0#1, main_~assert__arg~143#1, main_~check__tmp~147#1, main_~node4__m4~41#1, main_~__tmp_145~0#1, main_~assert__arg~144#1, main_~check__tmp~148#1, main_~__tmp_146~0#1, main_~assert__arg~145#1, main_~check__tmp~149#1, main_~node4____CPAchecker_TMP_0~34#1, main_~__tmp_147~0#1, main_~assert__arg~146#1, main_~check__tmp~150#1, main_~node4____CPAchecker_TMP_1~34#1, main_~__tmp_148~0#1, main_~assert__arg~147#1, main_~check__tmp~151#1, main_~node4__m4~42#1, main_~node3____CPAchecker_TMP_0~9#1, main_~__tmp_149~0#1, main_~assert__arg~148#1, main_~check__tmp~152#1, main_~__tmp_150~0#1, main_~assert__arg~149#1, main_~check__tmp~153#1, main_~node4____CPAchecker_TMP_0~35#1, main_~__tmp_151~0#1, main_~assert__arg~150#1, main_~check__tmp~154#1, main_~node4____CPAchecker_TMP_1~35#1, main_~__tmp_152~0#1, main_~assert__arg~151#1, main_~check__tmp~155#1, main_~node4__m4~43#1, main_~node3____CPAchecker_TMP_1~9#1, main_~__tmp_153~0#1, main_~assert__arg~152#1, main_~check__tmp~156#1, main_~__tmp_154~0#1, main_~assert__arg~153#1, main_~check__tmp~157#1, main_~node4____CPAchecker_TMP_0~36#1, main_~__tmp_155~0#1, main_~assert__arg~154#1, main_~check__tmp~158#1, main_~node4____CPAchecker_TMP_1~36#1, main_~__tmp_156~0#1, main_~assert__arg~155#1, main_~check__tmp~159#1, main_~node4__m4~44#1, main_~node3__m3~13#1, main_~node2____CPAchecker_TMP_1~3#1, main_~node2__m2~5#1, main_~node1____CPAchecker_TMP_1~1#1, main_~node1__m1~0#1, main_~init__tmp~0#1, main_~main__c1~0#1, main_~main__i2~0#1;havoc main_~main__c1~0#1;havoc main_~main__i2~0#1;main_~main__c1~0#1 := 0;~r1~0 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -128 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 127;~id1~0 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -128 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 127;~st1~0 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -128 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 127;~send1~0 := main_#t~nondet7#1;havoc main_#t~nondet7#1;~mode1~0 := main_#t~nondet8#1;havoc main_#t~nondet8#1;~alive1~0 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -128 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 127;~id2~0 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -128 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 127;~st2~0 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -128 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 127;~send2~0 := main_#t~nondet12#1;havoc main_#t~nondet12#1;~mode2~0 := main_#t~nondet13#1;havoc main_#t~nondet13#1;~alive2~0 := main_#t~nondet14#1;havoc main_#t~nondet14#1;assume -128 <= main_#t~nondet15#1 && main_#t~nondet15#1 <= 127;~id3~0 := main_#t~nondet15#1;havoc main_#t~nondet15#1;assume -128 <= main_#t~nondet16#1 && main_#t~nondet16#1 <= 127;~st3~0 := main_#t~nondet16#1;havoc main_#t~nondet16#1;assume -128 <= main_#t~nondet17#1 && main_#t~nondet17#1 <= 127;~send3~0 := main_#t~nondet17#1;havoc main_#t~nondet17#1;~mode3~0 := main_#t~nondet18#1;havoc main_#t~nondet18#1;~alive3~0 := main_#t~nondet19#1;havoc main_#t~nondet19#1;assume -128 <= main_#t~nondet20#1 && main_#t~nondet20#1 <= 127;~id4~0 := main_#t~nondet20#1;havoc main_#t~nondet20#1;assume -128 <= main_#t~nondet21#1 && main_#t~nondet21#1 <= 127;~st4~0 := main_#t~nondet21#1;havoc main_#t~nondet21#1;assume -128 <= main_#t~nondet22#1 && main_#t~nondet22#1 <= 127;~send4~0 := main_#t~nondet22#1;havoc main_#t~nondet22#1;~mode4~0 := main_#t~nondet23#1;havoc main_#t~nondet23#1;~alive4~0 := main_#t~nondet24#1;havoc main_#t~nondet24#1;havoc main_~init__tmp~0#1; {70363#true} is VALID [2022-02-20 18:47:55,053 INFO L290 TraceCheckUtils]: 2: Hoare triple {70363#true} assume 0 == ~r1~0 % 256; {70363#true} is VALID [2022-02-20 18:47:55,053 INFO L290 TraceCheckUtils]: 3: Hoare triple {70363#true} assume ~alive1~0 % 256 + ~alive2~0 % 256 + ~alive3~0 % 256 + ~alive4~0 % 256 >= 1; {70363#true} is VALID [2022-02-20 18:47:55,053 INFO L290 TraceCheckUtils]: 4: Hoare triple {70363#true} assume ~id1~0 >= 0; {70363#true} is VALID [2022-02-20 18:47:55,053 INFO L290 TraceCheckUtils]: 5: Hoare triple {70363#true} assume 0 == ~st1~0; {70363#true} is VALID [2022-02-20 18:47:55,054 INFO L290 TraceCheckUtils]: 6: Hoare triple {70363#true} assume ~send1~0 == ~id1~0; {70363#true} is VALID [2022-02-20 18:47:55,054 INFO L290 TraceCheckUtils]: 7: Hoare triple {70363#true} assume 0 == ~mode1~0 % 256; {70363#true} is VALID [2022-02-20 18:47:55,054 INFO L290 TraceCheckUtils]: 8: Hoare triple {70363#true} assume ~id2~0 >= 0; {70363#true} is VALID [2022-02-20 18:47:55,054 INFO L290 TraceCheckUtils]: 9: Hoare triple {70363#true} assume 0 == ~st2~0; {70363#true} is VALID [2022-02-20 18:47:55,054 INFO L290 TraceCheckUtils]: 10: Hoare triple {70363#true} assume ~send2~0 == ~id2~0; {70363#true} is VALID [2022-02-20 18:47:55,054 INFO L290 TraceCheckUtils]: 11: Hoare triple {70363#true} assume 0 == ~mode2~0 % 256; {70363#true} is VALID [2022-02-20 18:47:55,054 INFO L290 TraceCheckUtils]: 12: Hoare triple {70363#true} assume ~id3~0 >= 0; {70363#true} is VALID [2022-02-20 18:47:55,055 INFO L290 TraceCheckUtils]: 13: Hoare triple {70363#true} assume 0 == ~st3~0; {70363#true} is VALID [2022-02-20 18:47:55,055 INFO L290 TraceCheckUtils]: 14: Hoare triple {70363#true} assume ~send3~0 == ~id3~0; {70363#true} is VALID [2022-02-20 18:47:55,055 INFO L290 TraceCheckUtils]: 15: Hoare triple {70363#true} assume 0 == ~mode3~0 % 256; {70363#true} is VALID [2022-02-20 18:47:55,055 INFO L290 TraceCheckUtils]: 16: Hoare triple {70363#true} assume ~id4~0 >= 0; {70363#true} is VALID [2022-02-20 18:47:55,055 INFO L290 TraceCheckUtils]: 17: Hoare triple {70363#true} assume 0 == ~st4~0; {70363#true} is VALID [2022-02-20 18:47:55,055 INFO L290 TraceCheckUtils]: 18: Hoare triple {70363#true} assume ~send4~0 == ~id4~0; {70363#true} is VALID [2022-02-20 18:47:55,056 INFO L290 TraceCheckUtils]: 19: Hoare triple {70363#true} assume 0 == ~mode4~0 % 256; {70363#true} is VALID [2022-02-20 18:47:55,056 INFO L290 TraceCheckUtils]: 20: Hoare triple {70363#true} assume ~id1~0 != ~id2~0; {70363#true} is VALID [2022-02-20 18:47:55,056 INFO L290 TraceCheckUtils]: 21: Hoare triple {70363#true} assume ~id1~0 != ~id3~0; {70363#true} is VALID [2022-02-20 18:47:55,056 INFO L290 TraceCheckUtils]: 22: Hoare triple {70363#true} assume ~id1~0 != ~id4~0; {70363#true} is VALID [2022-02-20 18:47:55,056 INFO L290 TraceCheckUtils]: 23: Hoare triple {70363#true} assume ~id2~0 != ~id3~0; {70363#true} is VALID [2022-02-20 18:47:55,056 INFO L290 TraceCheckUtils]: 24: Hoare triple {70363#true} assume ~id2~0 != ~id4~0; {70363#true} is VALID [2022-02-20 18:47:55,056 INFO L290 TraceCheckUtils]: 25: Hoare triple {70363#true} assume ~id3~0 != ~id4~0;main_~init__tmp~0#1 := 1;~__return_19080~0 := main_~init__tmp~0#1;main_~main__i2~0#1 := ~__return_19080~0; {70363#true} is VALID [2022-02-20 18:47:55,057 INFO L290 TraceCheckUtils]: 26: Hoare triple {70363#true} assume 0 != main_~main__i2~0#1;~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~nomsg~0;~p4_new~0 := ~nomsg~0;main_~main__i2~0#1 := 0;havoc main_~node1__m1~0#1;main_~node1__m1~0#1 := ~nomsg~0; {70363#true} is VALID [2022-02-20 18:47:55,057 INFO L290 TraceCheckUtils]: 27: Hoare triple {70363#true} assume !!(0 == ~mode1~0 % 256); {70363#true} is VALID [2022-02-20 18:47:55,057 INFO L290 TraceCheckUtils]: 28: Hoare triple {70363#true} assume !!(0 == ~alive1~0 % 256); {70363#true} is VALID [2022-02-20 18:47:55,057 INFO L290 TraceCheckUtils]: 29: Hoare triple {70363#true} assume !(~send1~0 != ~id1~0); {70363#true} is VALID [2022-02-20 18:47:55,057 INFO L290 TraceCheckUtils]: 30: Hoare triple {70363#true} ~mode1~0 := 1;havoc main_~node2__m2~5#1;main_~node2__m2~5#1 := ~nomsg~0; {70363#true} is VALID [2022-02-20 18:47:55,057 INFO L290 TraceCheckUtils]: 31: Hoare triple {70363#true} assume !!(0 == ~mode2~0 % 256); {70363#true} is VALID [2022-02-20 18:47:55,058 INFO L290 TraceCheckUtils]: 32: Hoare triple {70363#true} assume !!(0 == ~alive2~0 % 256); {70365#(= (+ (* (- 256) (div ~alive2~0 256)) ~alive2~0) 0)} is VALID [2022-02-20 18:47:55,058 INFO L290 TraceCheckUtils]: 33: Hoare triple {70365#(= (+ (* (- 256) (div ~alive2~0 256)) ~alive2~0) 0)} assume !(~send2~0 != ~id2~0); {70365#(= (+ (* (- 256) (div ~alive2~0 256)) ~alive2~0) 0)} is VALID [2022-02-20 18:47:55,059 INFO L290 TraceCheckUtils]: 34: Hoare triple {70365#(= (+ (* (- 256) (div ~alive2~0 256)) ~alive2~0) 0)} ~mode2~0 := 1;havoc main_~node3__m3~13#1;main_~node3__m3~13#1 := ~nomsg~0; {70365#(= (+ (* (- 256) (div ~alive2~0 256)) ~alive2~0) 0)} is VALID [2022-02-20 18:47:55,059 INFO L290 TraceCheckUtils]: 35: Hoare triple {70365#(= (+ (* (- 256) (div ~alive2~0 256)) ~alive2~0) 0)} assume !!(0 == ~mode3~0 % 256); {70365#(= (+ (* (- 256) (div ~alive2~0 256)) ~alive2~0) 0)} is VALID [2022-02-20 18:47:55,060 INFO L290 TraceCheckUtils]: 36: Hoare triple {70365#(= (+ (* (- 256) (div ~alive2~0 256)) ~alive2~0) 0)} assume !(0 == ~alive3~0 % 256);havoc main_~node3____CPAchecker_TMP_0~9#1; {70365#(= (+ (* (- 256) (div ~alive2~0 256)) ~alive2~0) 0)} is VALID [2022-02-20 18:47:55,060 INFO L290 TraceCheckUtils]: 37: Hoare triple {70365#(= (+ (* (- 256) (div ~alive2~0 256)) ~alive2~0) 0)} assume !(~send3~0 != ~nomsg~0);main_~node3____CPAchecker_TMP_0~9#1 := ~p3_new~0;~p3_new~0 := (if main_~node3____CPAchecker_TMP_0~9#1 % 256 <= 127 then main_~node3____CPAchecker_TMP_0~9#1 % 256 else main_~node3____CPAchecker_TMP_0~9#1 % 256 - 256);~mode3~0 := 1;havoc main_~node4__m4~42#1;main_~node4__m4~42#1 := ~nomsg~0; {70365#(= (+ (* (- 256) (div ~alive2~0 256)) ~alive2~0) 0)} is VALID [2022-02-20 18:47:55,061 INFO L290 TraceCheckUtils]: 38: Hoare triple {70365#(= (+ (* (- 256) (div ~alive2~0 256)) ~alive2~0) 0)} assume !!(0 == ~mode4~0 % 256); {70365#(= (+ (* (- 256) (div ~alive2~0 256)) ~alive2~0) 0)} is VALID [2022-02-20 18:47:55,061 INFO L290 TraceCheckUtils]: 39: Hoare triple {70365#(= (+ (* (- 256) (div ~alive2~0 256)) ~alive2~0) 0)} assume !!(0 == ~alive4~0 % 256); {70365#(= (+ (* (- 256) (div ~alive2~0 256)) ~alive2~0) 0)} is VALID [2022-02-20 18:47:55,062 INFO L290 TraceCheckUtils]: 40: Hoare triple {70365#(= (+ (* (- 256) (div ~alive2~0 256)) ~alive2~0) 0)} assume !(~send4~0 != ~id4~0);~mode4~0 := 1;~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;havoc main_~check__tmp~151#1; {70365#(= (+ (* (- 256) (div ~alive2~0 256)) ~alive2~0) 0)} is VALID [2022-02-20 18:47:55,062 INFO L290 TraceCheckUtils]: 41: Hoare triple {70365#(= (+ (* (- 256) (div ~alive2~0 256)) ~alive2~0) 0)} assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 <= 1; {70365#(= (+ (* (- 256) (div ~alive2~0 256)) ~alive2~0) 0)} is VALID [2022-02-20 18:47:55,063 INFO L290 TraceCheckUtils]: 42: Hoare triple {70365#(= (+ (* (- 256) (div ~alive2~0 256)) ~alive2~0) 0)} assume ~r1~0 % 256 < 4;main_~check__tmp~151#1 := 1;~__return_25121~0 := main_~check__tmp~151#1;main_~main__c1~0#1 := ~__return_25121~0;havoc main_~__tmp_148~0#1;main_~__tmp_148~0#1 := (if 0 == main_~main__c1~0#1 then 0 else 1);havoc main_~assert__arg~147#1;main_~assert__arg~147#1 := main_~__tmp_148~0#1; {70365#(= (+ (* (- 256) (div ~alive2~0 256)) ~alive2~0) 0)} is VALID [2022-02-20 18:47:55,063 INFO L290 TraceCheckUtils]: 43: Hoare triple {70365#(= (+ (* (- 256) (div ~alive2~0 256)) ~alive2~0) 0)} assume !(0 == main_~assert__arg~147#1 % 256); {70365#(= (+ (* (- 256) (div ~alive2~0 256)) ~alive2~0) 0)} is VALID [2022-02-20 18:47:55,063 INFO L290 TraceCheckUtils]: 44: Hoare triple {70365#(= (+ (* (- 256) (div ~alive2~0 256)) ~alive2~0) 0)} havoc main_~node1__m1~1#1;main_~node1__m1~1#1 := ~nomsg~0; {70365#(= (+ (* (- 256) (div ~alive2~0 256)) ~alive2~0) 0)} is VALID [2022-02-20 18:47:55,064 INFO L290 TraceCheckUtils]: 45: Hoare triple {70365#(= (+ (* (- 256) (div ~alive2~0 256)) ~alive2~0) 0)} assume !(0 == ~mode1~0 % 256); {70365#(= (+ (* (- 256) (div ~alive2~0 256)) ~alive2~0) 0)} is VALID [2022-02-20 18:47:55,064 INFO L290 TraceCheckUtils]: 46: Hoare triple {70365#(= (+ (* (- 256) (div ~alive2~0 256)) ~alive2~0) 0)} assume !(255 == ~r1~0 % 256);~r1~0 := 1 + ~r1~0 % 256;main_~node1__m1~1#1 := ~p4_old~0;~p4_old~0 := ~nomsg~0; {70365#(= (+ (* (- 256) (div ~alive2~0 256)) ~alive2~0) 0)} is VALID [2022-02-20 18:47:55,065 INFO L290 TraceCheckUtils]: 47: Hoare triple {70365#(= (+ (* (- 256) (div ~alive2~0 256)) ~alive2~0) 0)} assume !(main_~node1__m1~1#1 != ~nomsg~0);~mode1~0 := 0; {70365#(= (+ (* (- 256) (div ~alive2~0 256)) ~alive2~0) 0)} is VALID [2022-02-20 18:47:55,065 INFO L290 TraceCheckUtils]: 48: Hoare triple {70365#(= (+ (* (- 256) (div ~alive2~0 256)) ~alive2~0) 0)} havoc main_~node2__m2~1#1;main_~node2__m2~1#1 := ~nomsg~0; {70365#(= (+ (* (- 256) (div ~alive2~0 256)) ~alive2~0) 0)} is VALID [2022-02-20 18:47:55,066 INFO L290 TraceCheckUtils]: 49: Hoare triple {70365#(= (+ (* (- 256) (div ~alive2~0 256)) ~alive2~0) 0)} assume !(0 == ~mode2~0 % 256);main_~node2__m2~1#1 := ~p1_old~0;~p1_old~0 := ~nomsg~0; {70365#(= (+ (* (- 256) (div ~alive2~0 256)) ~alive2~0) 0)} is VALID [2022-02-20 18:47:55,066 INFO L290 TraceCheckUtils]: 50: Hoare triple {70365#(= (+ (* (- 256) (div ~alive2~0 256)) ~alive2~0) 0)} assume main_~node2__m2~1#1 != ~nomsg~0; {70365#(= (+ (* (- 256) (div ~alive2~0 256)) ~alive2~0) 0)} is VALID [2022-02-20 18:47:55,067 INFO L290 TraceCheckUtils]: 51: Hoare triple {70365#(= (+ (* (- 256) (div ~alive2~0 256)) ~alive2~0) 0)} assume !(0 == ~alive2~0 % 256); {70364#false} is VALID [2022-02-20 18:47:55,067 INFO L290 TraceCheckUtils]: 52: Hoare triple {70364#false} assume !(main_~node2__m2~1#1 > ~id2~0); {70364#false} is VALID [2022-02-20 18:47:55,067 INFO L290 TraceCheckUtils]: 53: Hoare triple {70364#false} assume main_~node2__m2~1#1 == ~id2~0;~st2~0 := 1;~mode2~0 := 0;havoc main_~node3__m3~3#1;main_~node3__m3~3#1 := ~nomsg~0; {70364#false} is VALID [2022-02-20 18:47:55,067 INFO L290 TraceCheckUtils]: 54: Hoare triple {70364#false} assume !(0 == ~mode3~0 % 256);main_~node3__m3~3#1 := ~p2_old~0;~p2_old~0 := ~nomsg~0; {70364#false} is VALID [2022-02-20 18:47:55,067 INFO L290 TraceCheckUtils]: 55: Hoare triple {70364#false} assume main_~node3__m3~3#1 != ~nomsg~0; {70364#false} is VALID [2022-02-20 18:47:55,067 INFO L290 TraceCheckUtils]: 56: Hoare triple {70364#false} assume !(0 == ~alive3~0 % 256); {70364#false} is VALID [2022-02-20 18:47:55,068 INFO L290 TraceCheckUtils]: 57: Hoare triple {70364#false} assume !(main_~node3__m3~3#1 > ~id3~0); {70364#false} is VALID [2022-02-20 18:47:55,068 INFO L290 TraceCheckUtils]: 58: Hoare triple {70364#false} assume main_~node3__m3~3#1 == ~id3~0;~st3~0 := 1;~mode3~0 := 0;havoc main_~node4__m4~5#1;main_~node4__m4~5#1 := ~nomsg~0; {70364#false} is VALID [2022-02-20 18:47:55,068 INFO L290 TraceCheckUtils]: 59: Hoare triple {70364#false} assume !(0 == ~mode4~0 % 256);main_~node4__m4~5#1 := ~p3_old~0;~p3_old~0 := ~nomsg~0; {70364#false} is VALID [2022-02-20 18:47:55,068 INFO L290 TraceCheckUtils]: 60: Hoare triple {70364#false} assume !(main_~node4__m4~5#1 != ~nomsg~0);~mode4~0 := 0; {70364#false} is VALID [2022-02-20 18:47:55,068 INFO L290 TraceCheckUtils]: 61: Hoare triple {70364#false} ~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;havoc main_~check__tmp~8#1; {70364#false} is VALID [2022-02-20 18:47:55,068 INFO L290 TraceCheckUtils]: 62: Hoare triple {70364#false} assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 <= 1);main_~check__tmp~8#1 := 0;~__return_22543~0 := main_~check__tmp~8#1;main_~main__c1~0#1 := ~__return_22543~0;havoc main_~__tmp_9~0#1;main_~__tmp_9~0#1 := (if 0 == main_~main__c1~0#1 then 0 else 1);havoc main_~assert__arg~8#1;main_~assert__arg~8#1 := main_~__tmp_9~0#1; {70364#false} is VALID [2022-02-20 18:47:55,069 INFO L290 TraceCheckUtils]: 63: Hoare triple {70364#false} assume 0 == main_~assert__arg~8#1 % 256; {70364#false} is VALID [2022-02-20 18:47:55,069 INFO L290 TraceCheckUtils]: 64: Hoare triple {70364#false} assume !false; {70364#false} is VALID [2022-02-20 18:47:55,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 18:47:55,069 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 18:47:55,069 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1936329072] [2022-02-20 18:47:55,070 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1936329072] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 18:47:55,070 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 18:47:55,070 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-20 18:47:55,070 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031535088] [2022-02-20 18:47:55,070 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 18:47:55,071 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 65 [2022-02-20 18:47:55,071 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 18:47:55,071 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 18:47:55,119 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 65 edges. 65 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:47:55,119 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-20 18:47:55,119 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 18:47:55,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-20 18:47:55,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 18:47:55,120 INFO L87 Difference]: Start difference. First operand 4103 states and 5782 transitions. Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)